Interactions

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Drug 1 dose (field_drug_1_dose)
ID Title drug 1 Sort descending drug 1 dose drug 1 effect drug 2 drug 2 dose drug 2 effect Clinical Effects Color Clinical Bottom Line Management Alt Agents Info Source Edit
5981 Efavirenz Methadone 366 Efavirenz 600 mg x 14-21 days Methadone 35-100 mg daily

Methadone AUC decreased 52%; Cmax decreased 45%

Decreased methadone effects (eg, withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose. In one study patients required mean dose increase of 30% over period of 60 weeks.

5997 Efavirenz Voriconazole 382 Efavirenz 400 mg daily x 9 days

Efavrenz AUC increased 44%; Cmax increased 38%

Voriconazole 400 mg PO Q12H on day 1, then 200 mg Q12H on days 2-8

Voriconazole AUC decreased 77%; Cmax decreased 61%

Increased efavirenz effects and decreased voriconazole effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of voriconazole and increased levels of efavirenz

Increase voriconazole to 400 mg Q12H and decrease efavirenz to 300 mg QHS

6013 Efavirenz Bupropion 398 Efavirenz 600 mg daily x 14 days Bupropion 150 mg SR x 1

Bupropion AUC decreased 55%; Cmax decreased 34%

Decreased bupropion effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate bupropion to effect

6029 Efavirenz LDV/SOF 414 Efavirenz 600 mg daily Ledipasvir / Sofosbuvir Ledipasvir 90 mg with sofosbuvir 400 mg daily

Ledipasvir AUC, Cmin, Cmax all decreased 34%; Sofosbuvir: no significant effect

Green: Administer standard doses Administer standard doses
6045 Efavirenz Famotidine 430 Efavirenz 400 mg x 1 dose

No significant change

Famotidine 40 mg x 1 dose Green: Administer standard doses Administer standard doses
6061 Efavirenz EBR/GZR 446 Efavirenz Elbasvir / Grazoprevir

decreased of elbasvir / grazoprevir effects

Red: Avoid combination Do not coadminister: Reduced levels of elbasvir / grazoprevir

Contraindicated. Use alternative agents.

6077 Efavirenz SOF/VEL 462 Efavirenz 600 mg (with emtricitabine 200 mg and tenofovir DF 300 mg)

Efavirenz Cmin decreased 19%; AUC decreased 15%; Cmax deceased 10%

Sofosbuvir / Velpatasvir 400 mg / 100 mg for 14 days

Sofosbuvir Cmax increased 38%. Velpatasvir Cmax decreased 47%; AUC decreased 53%; Cmin decreased 57%

Red: Avoid combination Do not coadminister: Reduced levels of velpatasvir

Contraindicated. Use alternative agents.

6093 Efavirenz Itraconazole 478 Efavirenz 600 mg x 14 days Itraconazole 200 mg Q12H x 28 days

Itraconazole AUC decreased 39%; Cmax decreased 37%; Cmin decreased 44%; Hydroxyitraconazole AUC decreased 37%; Cmax decreased 35%; Cmin decreased 43%

Decreased itraconazole effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6109 Efavirenz Proguanil 494 Efavirenz 600 mg QHS Proguanil 100 mg with 250 mg atovaquone x 1

Proguanil AUC decreased 43%; Cmax no significant change

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Consider using alternative agents. If coadministering, dose adjustment not established

6125 Efavirenz Sirolimus 510 Efavirenz Sirolimus

decreased effects of immunosuppresant

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits when using this combination

if co administiring, monitor immunosuppressant efficacy

5982 Efavirenz Methadone 367 Efavirenz 600 mg x 14-21 days Methadone 35-100 mg daily

Methadone AUC decreased 52%; Cmax decreased 45%

Decreased methadone effects (eg, withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose. In one study patients required mean dose increase of 30% over period of 60 weeks.

5998 Efavirenz Voriconazole 383 Efavirenz 400 mg daily x 9 days

Efavrenz AUC increased 44%; Cmax increased 38%

Voriconazole 400 mg PO Q12H on day 1, then 200 mg Q12H on days 2-8

Voriconazole AUC decreased 77%; Cmax decreased 61%

Increased efavirenz effects and decreased voriconazole effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of voriconazole and increased levels of efavirenz

Increase voriconazole to 400 mg Q12H and decrease efavirenz to 300 mg QHS

6014 Efavirenz Bupropion 399 Efavirenz 600 mg QHS Bupropion 150 mg SR x 1

Bupropion AUC decreased 55%; Cmax decreased 34%; half-life: decreased 46%

Decreased bupropion effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate bupropion to effect

6030 Efavirenz LDV/SOF 415 Efavirenz 600 mg daily x 14 days Ledipasvir / Sofosbuvir 90 / 400 mg daily x 14 days

Ledipasvir / Sofosbuvir auc decreased 34%, Cmin decreased 34%, Cmax decreased 34%.

Green: Administer standard doses Administer standard doses
6046 Efavirenz RPT 431 Efavirenz 600 mg daily

Efavirenz AUC decreased 14%; Cmin decreased 15%

Rifapentine 900 mg Q week Green: Administer standard doses Administer standard doses
6062 Efavirenz EBR/GZR 447 Efavirenz 600 mg daily Elbasvir / Grazoprevir Elbasvir 50 mg daily with grazoprevir 100 mg daily

Elbasvir AUC decreased 54% Grazoprevir AUC decreased 83%

Red: Avoid combination Do not coadminister: Reduced levels of elbasvir / grazoprevir

Contraindicated. Use alternative agents.

6078 Efavirenz SOF/VEL 463 Efavirenz 600 mg daily x 14 days Sofosbuvir / Velpatasvir 400 / 100 mg daily x 14 days

Velpatasvir AUC decreased 53%, Cmin 57%, Cmax decreased 47%. Sofobuvir Cmax increased 38%.

Reduced levels of velapatasvir

Red: Avoid combination Do not coadminister: Reduced levels of velpatasvir and voxilapervir

Contraindicated. Use alternative agents.

6094 Efavirenz Ketoconazole 479 Efavirenz

Not studied

Ketoconazole

Not studied (may decrease ketoconazole levels)

Decreased ketoconazole effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6110 Efavirenz Bosentan 495 Efavirenz Bosentan

Potential decreased Efavirenz effects; potential decreased bosentran effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

If coadministring, monitor bosentran efficacy and virologic response

6126 Efavirenz Tacrolimus 511 Efavirenz Tacrolimus

decreased effects of immunosuppresant

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits when using this combination

if co administiring, monitor immunosuppressant efficacy

5983 Efavirenz Methadone 368 Efavirenz 600 mg daily x 14 days

Not studied

Methadone

Methadone AUC decreased 57%; Cmax decreased 48%

Decreased methadone effects (eg, withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose. In one study patients required mean dose increase of 30% over period of 60 weeks.

5999 Efavirenz Voriconazole 384 Efavirenz 400 mg daily x 9 days

Efavrenz AUC increased 44%; Cmax increased 38%

Voriconazole 400 mg PO Q12H on day 1, then 200 mg Q12H on days 2-8

Voriconazole AUC decreased 77%; Cmax decreased 61%

Increased efavirenz effects and decreased voriconazole effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of voriconazole and increased levels of efavirenz

Increase voriconazole to 400 mg Q12H and decrease efavirenz to 300 mg QHS

6015 Efavirenz Bupropion 400 Efavirenz 600 mg QHS Bupropion 150 mg SR x 1

Bupropion AUC decreased 55%; Cmax decreased 34%; half-life: decreased 46%

Decreased bupropion effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate bupropion to effect

6031 Efavirenz LDV/SOF 416 Efavirenz 600 mg daily x 14 days Ledipasvir / Sofosbuvir 90 / 400 mg daily x 14 days

Ledipasvir / Sofosbuvir auc decreased 34%, Cmin decreased 34%, Cmax decreased 34%.

Green: Administer standard doses Administer standard doses
6047 Efavirenz Ergotamine 432 Efavirenz

Not studied

Ergotamine

Not studied (may increase ergotamine levels)

Potentially increased ergotamine effects (eg, ergotism)

Red: Avoid combination Do not coadminister: Potential for increased levels of ergotamine

Avoid combination and use alternative agents

Depending on indication, 5-HT agonists ("triptans"), prostaglandin F2, misoprostol or oxytocin may be an option. Clinical induction effects may lower clinical response to methylergonovine.
6063 Efavirenz ETR 448 Efavirenz 600 mg daily Etravirine

Etravirine AUC decreased 41%

Decreased etravirine and efavirenz effects

Red: Avoid combination Do not coadminister: Reduced levels of etravirine

Use alternative agents

6079 Efavirenz SOF/VEL 464 Efavirenz 600 mg daily x 14 days Sofosbuvir / Velpatasvir 400 / 100 mg daily x 14 days

Velpatasvir AUC decreased 53%, Cmin 57%, Cmax decreased 47%. Sofobuvir Cmax increased 38%.

Reduced levels of velapatasvir

Red: Avoid combination Do not coadminister: Reduced levels of velpatasvir and voxilapervir

Contraindicated. Use alternative agents.

6095 Efavirenz Ketoconazole 480 Efavirenz

Not studied

Ketoconazole

Not studied (may decrease ketoconazole levels)

Decreased ketoconazole effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6111 Efavirenz Clarithromycin 496 Efavirenz 400 mg x 7 days

No significant change

Clarithromycin 500 mg Q12H x 7 days

Clarithromycin AUC decreased 39%; Cmax decreased 26%;14-hydroxy clarithromycin AUC increased 34%; Cmax increased 49%

Risk of QT interval prolongation

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

Dose adjustment not established. Monitor for antbiotic efficacy and / or consider using alternative agents

6127 Efavirenz CBZ 512 Efavirenz

Not studied (may decrease efavirenz levels)

Carbamazepine

Not studied (may decrease carbamazepine levels)

Decreased efavirenz and carbamazepine effects

Orange: Minimal data to guide interaction

Use alternative agents. If coadministering, monitor carbamazepine levels and adjust as indicated. Monitor antiviral efficacy

Gabapentin Lamotrigine Tiagabine Topiramate
5984 Efavirenz Methadone 369 Efavirenz 600 mg daily over period of 60 weeks Methadone stable dose over period of 60 weeks

Methadone AUC decreased 39%; Cmax decreased 33%; Cmin decreased 44%EDDP (methadone metabolite) AUC decreased 14.5%; Cmax no significant change; Cmin no significant change

Decreased methadone effects (eg, withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose. In one study patients required mean dose increase of 30% over period of 60 weeks.

6000 Efavirenz Voriconazole 385 Efavirenz 300 mg daily x 7 days

Efavirenz AUC increased 17%; Cmax no significant change

Voriconazole 400 mg Q12H on days 2-7

Voriconazole Cmax increased 23%, AUC decreased 7%

Increased efavirenz effects and decreased voriconazole effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of voriconazole and increased levels of efavirenz

Increase voriconazole to 400 mg Q12H and decrease efavirenz to 300 mg QHS

6016 Efavirenz Sertraline 401 Efavirenz 600 mg daily x 14 days

No significant change

Sertraline 50 mg daily x 14 days

Sertaline AUC decreased 39%, Cmax decreased 29%, Cmin decreased 46%

Decreased sertaline effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate sertaline to effect

6032 Efavirenz Z-Pak 417 Efavirenz 400 mg x 7 days

No significant change

Azithromycin 600 mg x 1 dose

Azithromycin AUC no significant change; Cmax increased 22%

Green: Administer standard doses Administer standard doses
6048 Efavirenz Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 433 Efavirenz

Not studied

Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir

Not studied (may decrease paritaprevir levels)

Significant GI and neurologic adverse events occurred, increase ALT

Red: Avoid combination Do not coadminister: Potential for reduced antiviral activity

Contraindicated. Use alternative agents.

6064 Efavirenz G/P 449 Efavirenz Glecaprevir / Pibrentasvir

Possible decrease in glecaprevir and pribrentasvir levels

Red: Avoid combination Do not coadminister: Reduced levels of glecaprevir / pibrentasvir

contraindicated. Use alternative agents.

6080 Efavirenz SOF/VEL 465 Efavirenz Sofosbuvir / Velpatasvir / Voxilaprevir

Velpatasvir Cmax decreased 37%; AUC decreased 43%; Cmin decreased 47%

Reduced levels of velapatasvir and voxilaprevir

Red: Avoid combination Do not coadminister: Reduced levels of velpatasvir and voxilapervir

Contraindicated. Use alternative agents.

6096 Efavirenz Ketoconazole 481 Efavirenz Ketoconazole

Not studied (may decrease ketoconazole levels)

Decreased ketoconazole effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6112 Efavirenz Clarithromycin 497 Efavirenz 400 mg x 7 days

No significant change

Clarithromycin 500 mg Q12H x 7 days

Clarithromycin AUC decreased 39%; Cmax decreased 26%;14-hydroxy clarithromycin AUC increased 34%; Cmax increased 49%

Risk of QT interval prolongation

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

Dose adjustment not established. Monitor for antbiotic efficacy and / or consider using alternative agents

5985 Efavirenz Pravastatin 370 Efavirenz 600 mg daily on days 4-18

No significant change

Pravastatin 40 mg daily on days 0-3 and 15-18

Pravastatin AUC decreased 40%

Decreased lipid effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of pravastatin

Monitor statin efficacy. May need to increase pravastatin dose

6001 Efavirenz Voriconazole 386 Efavirenz 300 mg QHS x 7 days

Efavirenz AUC increased 17%; Cmax no significant change

Voriconazole 400 mg Q12H on days 2-7

Voriconazole Cmax increased 23%

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of voriconazole and increased levels of efavirenz

Increase voriconazole to 400 mg Q12H and decrease efavirenz to 300 mg QHS

6017 Efavirenz Sertraline 402 Efavirenz 600 mg daily x 14 days Sertraline 50 mg daily x 14 days

Sertaline decreased 39%, Cmax decreased 29%, Cmin decreased 46%

Decreased sertaline effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate sertaline to effect

6033 Efavirenz Z-Pak 418 Efavirenz 400 mg x 7 days

No significant change

Azithromycin 600 mg x 1 dose

Azithromycin AUC no significant change; Cmax increased 22%

Green: Administer standard doses Administer standard doses
6049 Efavirenz ATV 434 Efavirenz 600 mg daily days 7-20 Atazanavir 400 mg daily x 20 days

Atazanavir AUC decreased 74%, Cmax decreased 59%, Cmin decreased 93%.

Potential loss of antiviral efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Use alternative agents

6065 Efavirenz G/P 450 Efavirenz Glecaprevir / Pibrentasvir

Possible decrease in glecaprevir and pribrentasvir levels

Red: Avoid combination Do not coadminister: Reduced levels of glecaprevir / pibrentasvir

contraindicated. Use alternative agents.

6081 Efavirenz SOF/VEL 466 Efavirenz Sofosbuvir / Velpatasvir / Voxilaprevir

Velpatasvir Cmax decreased 37%; AUC decreased 43%; Cmin decreased 47%

Reduced levels of velapatasvir and voxilaprevir

Red: Avoid combination Do not coadminister: Reduced levels of velpatasvir and voxilapervir

Contraindicated. Use alternative agents.

6097 Efavirenz Triazolam 482 Efavirenz

Not studied

Triazolam

Not studied (may increase triazolam levels)

Increased triazolam effects (eg, increased sedation, confusion, respiratory depression)

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

Lorazepam, Oxazepam, Temazepam, Trazodone
6113 Efavirenz Clarithromycin 498 Efavirenz 400 mg x 7 days

No significant change

Clarithromycin 500 mg Q12H x 7 days

Clarithromycin AUC decreased 39%; Cmax decreased 26%;14-hydroxy clarithromycin AUC increased 34%; Cmax increased 49%

Risk of QT interval prolongation

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

Dose adjustment not established. Monitor for antbiotic efficacy and / or consider using alternative agents

5986 Efavirenz Pravastatin 371 Efavirenz 600 mg daily x 15 days

No significant change

Pravastatin 40 mg daily x 4 days

Pravastatin AUC decreased 44%; Cmax decreased 32%; Cmin decreased 19%

Decreased pravastatin effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of pravastatin

Monitor statin efficacy. May need to increase pravastatin dose

6002 Efavirenz Voriconazole 387 Efavirenz 300 mg QHS x 7 days

Efavirenz AUC increased 17%; Cmax no significant change

Voriconazole 400 mg Q12H on days 2-7

Voriconazole Cmax increased 23%

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of voriconazole and increased levels of efavirenz

Increase voriconazole to 400 mg Q12H and decrease efavirenz to 300 mg QHS

6018 Efavirenz Sertraline 403 Efavirenz 600 mg daily x 14 days Sertraline 50 mg daily x 14 days

Decreased sertaline effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate sertaline to effect

6034 Efavirenz Cetirizine 419 Efavirenz 600 mg x 10 days

No significant change

Cetirizine 10 mg x 1 dose

Cetirizine Cmax decreased 24%

Green: Administer standard doses Administer standard doses
6050 Efavirenz ATV 435 Efavirenz 600 mg daily days 7-20 Atazanavir 400 mg daily x 20 days

Atazanavir AUC decreased 74%, Cmax decreased 59%, Cmin decreased 93%.

Potential loss of antiviral efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Use alternative agents

6066 Efavirenz LNG 451 Efavirenz 600 mg QHS Levonorgestrel 0.75 mg x 1

Levonorgestrel AUC decreased 64%; Cmax decreased 45%; Cmin decreased 71%; half-life: decreased 47%

Decreased levonorgestrel effects

Red: Avoid combination Do not coadminister: Reduced levels of levonorgestrel

Use alternative contraceptive method

6082 Efavirenz SOF/VEL 467 Efavirenz Sofosbuvir / Velpatasvir / Voxilaprevir

Velpatasvir Cmax decreased 37%; AUC decreased 43%; Cmin decreased 47%

Reduced levels of velapatasvir and voxilaprevir

Red: Avoid combination Do not coadminister: Reduced levels of velpatasvir and voxilapervir

Contraindicated. Use alternative agents.

6098 Efavirenz Clopidogrel 483 Efavirenz Clopidogrel

Possible decreased activation of clopidogrel

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6114 Efavirenz Warfarin 499 Efavirenz

Not studied

Warfarin

Not studied (may increase or decrease warfarin levels)

Increased or decreased warfarin effects (altered INR, increased risk of bleeding or clotting)

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministering monitor INR and adjust warfarin as indicated. Monitor for signs and symptons of bleeding.

6131 Etravirine MVC 516 Etravirine 200 mg BID Maraviroc 300 mg BID

Maraviroc AUC decreased 53%; Cmax decreased 60%; Cmin decreased 39%

Decreased maraviroc effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of maraviroc

Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID

6147 Etravirine RAL 532 Etravirine 200 mg BID

Etravirine Cmin increased 17%

Raltegravir 400 mg BID

Raltegravir Cmin decreased 34%

Green: Administer standard doses Administer standard doses
6163 Etravirine Cariprazine 548 Etravirine Cariprazine

Potential decreased cariprazine effects

Red: Avoid combination Do not coadminister: potientially reduced levels of cariprazine

Contraindicated. Use alternative agents.

6179 Etravirine Lumefantrine 564 Etravirine 200 mg BID

No significant change

Lumefantrine artemether / Lumefantrine 80 / 480 mg

Lumefantrine AUC decreased 13%

Decreased antimalarial effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministering, monitor for anti-malarial efficacy.

6132 Etravirine MVC 517 Etravirine 200 mg BID with darunavir / ritonavir 600 / 100 mg BID

No significant change on etravirine, darunavir or ritonavir pharmacokinetics

Maraviroc 300 mg BID

Maraviroc AUC increased 210%; Cmax increased 77%; Cmin increased 430%

Increased maraviroc effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of maraviroc

Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID

6148 Etravirine Methadone 533 Etravirine Methadone 60-130 mg daily

R-methadone: no significant effect; S-methadone: no significant effect

Green: Administer standard doses Administer standard doses
6164 Etravirine Pimavanserin 549 Etravirine Pimavanserin

Potential decreased pimavanserin effects

Red: Avoid combination Do not coadminister: potientially reduced levels of pimavanserin

Contraindicated. Use alternative agents.

6180 Etravirine Ethosuximide 565 Etravirine Ethosuximide

Potiental decreased anticonvulsant effects

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

if co-administring, monitor for seizure control

6133 Etravirine MVC 518 Etravirine 200 mg BID with darunavir / ritonavir 600 / 100 mg BID Maraviroc 150 mg BID

Maraviroc AUC increased 3.10 fold; Cmax increased 1.76 fold; Cmin increased 5.27 fold

Increased maraviroc effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of maraviroc

Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID

6149 Etravirine Ranitidine 534 Etravirine 100 mg x 1

No significant change

Ranitidine 150 mg BID x 11 days Green: Administer standard doses Administer standard doses
6165 Etravirine SOF/VEL 550 Etravirine

Not studied

Sofosbuvir / Velpatasvir

Not studied (may decrease velpatasvir and sofosbuvir levels)

Potential loss of anti-HCV efficacy

Red: Avoid combination Do not coadminister: potientially reduced levels of velpatasvir

Contraindicated. Use alternative agents.

6181 Etravirine Lacosamide 566 Etravirine Lacosamide

Potiental decreased anticonvulsant effects

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

if co-administring, monitor for seizure control

6134 Etravirine MVC 519 Etravirine 200 mg BID

No significant change

Maraviroc 300 mg BID

Maraviroc AUC decreased 53%; Cmax decreased 60%; Cmin decreased 39%

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of maraviroc

Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID

6150 Etravirine Omeprazole 535 Etravirine 100 mg x 1

Etravirine AUC increased 41%

Omeprazole 40 mg daily x 11 days Green: Administer standard doses Administer standard doses
6166 Etravirine SOF/VEL 551 Etravirine

Not studied

Sofosbuvir / Velpatasvir / Voxilaprevir

Not studied (may decrease velpatasvir and voxilaprevirlevels)

Potential loss of anti-HCV efficacy

Red: Avoid combination Do not coadminister: potientially reduced levels of velpatasvir and voxilaprevir

Contraindicated. Use alternative agents.

6182 Etravirine Tiagabine 567 Etravirine Tiagabine

Potiental decreased anticonvulsant effects

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

if co-administring, monitor for seizure control

6135 Etravirine RFB 520 Etravirine

Etravirine AUC decreased 37%; Cmax decreased 37%; Cmin decreased 35%

Rifabutin 300 mg daily

Rifabutin AUC decreased 17%; Cmin decreased 24%; 25-O-desacetylrifabutin AUC decreased 17%; Cmax decreased 15%; Cmin decreased 22%

Decreased rifabutin effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of rifabutin

Administer rifabutin 300 mg once daily with etravirine. If etravirine and a protease inhibitor are used together, do not coadminister with rifabutin.

6151 Etravirine DTG 536 Etravirine 200 mg BID with darunavir / ritonavir 600 / 100 mg BID Dolutegravir 50 mg daily

Dolutegravir AUC decreased 25%; Cmin decreased 37%

Potentially reduced dolutegravir effectiveness

Red: Avoid combination Administer standard doses

Do not coadminister etravirine with dolutegravir unless atazanavir / ritonavir, darunavir / ritonavir, or lopinavir / ritonavir are also part of the regimen. When using this combo and there is known or clinically suspected INSTI resistance, increase dolutegravir dosage to 50 mg BID.

6167 Etravirine EFV 552 Etravirine Efavirenz Red: Avoid combination Do not coadminister: Reduced levels of etravirine

Avoid combination: combining two NNRTIs has not been shown beneficial; use alternate agents

6183 Etravirine Zonisamide 568 Etravirine Zonisamide

Potiental decreased anticonvulsant effects

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

if co-administring, monitor for seizure control

6136 Etravirine Posaconazole 521 Etravirine

Not studied (may increase etravirine levels)

Posaconazole

Not studied

Green: Administer standard doses Administer standard doses

Monitor for etravirine related toxicities

6152 Etravirine DTG 537 Etravirine 200 mg BID with lopinavir / ritonavir 400 / 100 mg BID Dolutegravir 50 mg daily

Dolutegravir AUC increased 11%; Cmin increased 28%

Red: Avoid combination Administer standard doses

Do not coadminister etravirine with dolutegravir unless atazanavir / ritonavir, darunavir / ritonavir, or lopinavir / ritonavir are also part of the regimen. When using this combo and there is known or clinically suspected INSTI resistance, increase dolutegravir dosage to 50 mg BID.

6168 Etravirine NVP 553 Etravirine Nevirapine Red: Avoid combination Do not coadminister: Reduced levels of etravirine

Avoid combination: :combining two NNRTIs has not been shown beneficial use alternate agents

6184 Etravirine Sertraline 569 Etravirine Sertraline

Potiential decreaed Sertaline effects

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, monitor for theraptutic effectiveness of Sertaline

6137 Etravirine Fluconazole 522 Etravirine 200 mg BID

Etravirine AUC increased 86%; Cmax increased 75%; Cmin increased 109%

Fluconazole 200 mg QAM

No significant change

Increased etravirine effects

Green: Administer standard doses Administer standard doses

Monitor for fluconazole associated toxicities

6153 Etravirine Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 538 Etravirine

Not studied

Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir

Not studied (may decrease paritaprevir levels)

Potential decrease in anti-HCV efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of anti-HCV agents

Use alternative agents

6169 Etravirine Phenobarbital 554 Etravirine Phenobarbital

Potential decreased etravirine effects; potential decreased anticonvulsants effects

Red: Avoid combination Do not coadminister: Potential for reduced levels of etravirine and phenobarbital

Avoid combination and use alternative agents

6185 Etravirine Trazodone 570 Etravirine Trazodone

Potiential decreaed Trazodone effects

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, monitor for theraptutic effectiveness of Trazodone

6138 Etravirine Sildenafil 523 Etravirine Sildenafil 50 mg x 1

Sildenafil AUC decreased 57%; Cmax decreased 45%

Decreased sildenafil effects

Green: Administer standard doses Administer standard doses

Monitor for sildenafil efficacy and titrate to effect

6154 Etravirine ATV/c 539 Etravirine

Not studied

Atazanavir / Cobicistat

Not studied; Potential decreased atazanavir and cobicistat levels)

Potential loss of antiviral efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Use alternative agents

6170 Etravirine CBZ 555 Etravirine Carbamazepine

Potential decreased etravirine effects; potential decreased anticonvulsants effects

Red: Avoid combination Do not coadminister: Potential for reduced levels of etravirine and carbamazepine
6186 Etravirine Warfarin 571 Etravirine Warfarin

Potential for increased Warfarin concentration

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, monitor INR

6139 Etravirine Midazolam 524 Etravirine Midazolam

Midozolam AUC decreased 31%; active metabolite Cmax increased 57%

decreased levels of midazolam

Green: Administer standard doses Administer standard doses

Monitor for theraputive effectiveness of midazolam

6155 Etravirine Bedaquiline 540 Etravirine Bedaquiline

potentially reduced levels of bedaquiline

Red: Avoid combination Do not coadminister: Potential for reduced levels of bedaquiline
6171 Etravirine Phenytoin 556 Etravirine Phenytoin

Potential decreased etravirine effects; potential decreased anticonvulsants effects

Red: Avoid combination Do not coadminister: Potential for reduced levels of etravirine and phenytoin
6187 Etravirine Diltiazem 572 Etravirine Diltiazem

Potential decreased dilitazem efficacy

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, titrate dilitazem based on clinical response

6140 Etravirine Linagliptin 525 Etravirine Linagliptin

Possible decrease in antihyperglycemic effects

Green: Administer standard doses Administer standard doses

Monitor glycemic control

6156 Etravirine DTG 541 Etravirine 200 mg BID Dolutegravir 50 mg daily

Dolutegravir AUC decreased 71%; Cmin decreased 88%

Potentially reduced dolutegravir effectiveness

Red: Avoid combination Do not coadminister: Potential for reduced levels of dolutegravir

Do not coadminister etravirine with dolutegravir unless atazanavir / ritonavir, darunavir / ritonavir, or lopinavir / ritonavir are also part of the regimen. If one of these boosted PIs is present and known or clinically suspected INSTI resistance, increase dolutegravir dosage to 50 mg BID.

6172 Etravirine Tamsulosin 557 Etravirine Tamsulosin

Decreased tamsulosin effects

Orange: Minimal data to guide interaction Adjust dosing to avoid decreased levels of tamsulosin

If coadministring, monitor for theraptutic effectiveness of tamsulosin after 2-4 weeks. Increase dose to 0.8mg daily for patients who fail to respond to 0.4 mg dose.

6188 Etravirine Verapamil 573 Etravirine Verapamil

Potential decreased verampil efficacy

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, titrate verapamil based on clinical response

6141 Etravirine Saxagliptin 526 Etravirine Saxagliptin

Possible decrease in antihyperglycemic effects

Green: Administer standard doses Administer standard doses

Monitor glycemic control

6157 Etravirine EBR/GZR 542 Etravirine

Not studied

Elbasvir / Grazoprevir

Not studied (may decrease grazprevir levels)

Potentially decreased elbasvir, grazoprevir levels expected

Red: Avoid combination Do not coadminister: Potential for reduced levels of elbasvir / grazoprevir

Avoid combination. Use alternative agents

6173 Etravirine Clopidogrel 558 Etravirine Clopidogrel

Potential decreased clopidogrel effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6189 Etravirine ATV 574 Etravirine

Etravirine AUC increased 30%; Cmax increased 30%; Cmin decreased 26%

Atazanavir 300 mg daily with 100 mg ritonavir daily

Atazanavir AUC decreased 14%; Cmin decreased 38%

Potential for increased etravirine effects

When using atazanavir 300 mg plus ritonavir 100 mg once daily use etravirine standard dose.

6142 Etravirine Voriconazole 527 Etravirine 200 mg BID

Etravirine AUC increased 36%; Cmin increased 52%; Cmax increased 26%

Voriconazole 200 mg BID

Voriconazole Cmin increased 23%

Potential for increased etravirine effects

Green: Administer standard doses Administer standard doses
6158 Etravirine St. John's Wort (Hypericum perforatum) 543 Etravirine

Not studied

St. John's Wort

Not studied

loss of virologic response

Red: Avoid combination Do not coadminister: Potential for reduced levels of ETR

Contraindicated. Use alternative agents.

6174 Etravirine Elvitegravir / Cobicistat / Emtricitabine / Tenofovir alafenamide 559 Etravirine 200 mg BID with ritonavir 100 mg daily

No significant change

Elvitegravir / Cobicistat / Emtricitabine / Tenofovir alafenamide Elvitegravir 150 mg daily

No significant change

Potentially decreased or increased elvitegravir, cobicistat and / or etravirine effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6143 Etravirine DRV 528 Etravirine 100 mg BID

Etravirine AUC decreased 37%; Cmax decreased 32%; Cmin decreased 49%

Darunavir 600 mg BID with 100 mg ritonavir BID

No significant change

Green: Administer standard doses Administer standard doses
6159 Etravirine RPT 544 Etravirine Rifapentine

Potential decreased etravirine effects

Red: Avoid combination Do not coadminister: Potential for reduced levels of etraviorine
6175 Etravirine Bosentan 560 Etravirine Bosentan

Potential decreased etravirine effects; potential decreased bosentran effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

If coadministring, monitor bosentran efficacy and virologic response

6128 Etravirine RTV 513 Etravirine Ritonavir 600 mg BID

Significant decrease in etravirine concentration and loss of theraputic effect

Yellow: Adjust dosing Adjust dosing to avoid decreased levels of etravirine
6144 Etravirine DRV 529 Etravirine 200 mg BID

Etravirine AUC increased 80%; Cmax increased 81%; Cmin increased 67% (compared to etravirine 100 mg BID)

Darunavir

Darunavir AUC increased 15%

Green: Administer standard doses Administer standard doses
6160 Etravirine RIF 545 Etravirine Rifampin

Significant decrease in etravirine efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of etravirine
6176 Etravirine Clarithromycin 561 Etravirine

Etravirine AUC increased 42%; Cmax increased 46%; Cmin increased 46%

Clarithromycin 500 mg BID

Clarithromycin AUC decreased 37%; Cmax decreased 34%; Cmin decreased 53%; 14-hydroxyclarithromycin AUC increased 21%; Cmax increased 33%

Increased etravirine effects; decreased clarithromycin effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Use alternative macrolide (consider use of azithromycin) for MAC

Azithromycin
6129 Etravirine Atorvastatin 514 Etravirine

No significant change

Atorvastatin 40 mg daily

Atorvastatin AUC decreased 37% 2-hydroxyatorvastatin AUC increased 27%; Cmax increased 76%

Decreased atorvastatin effects

Yellow: Adjust dosing Adjust dosing to avoid increased levels of atorvastatin

Consider low dose atorvastatin and titrate to effect; monitor for myopathy

6145 Etravirine Ethinyl estradiol / Norethindrone acetate 530 Etravirine Ethinyl estradiol / Norethindrone acetate 0.035 mg EE / 1 mg NE daily

Ethinyl estradiol AUC increased 22%; Cmax increased 33%; Norethindrone Cmin decreased 22%

Green: Administer standard doses Administer standard doses
6161 Etravirine G/P 546 Etravirine Glecaprevir / Pibrentasvir

Not studied (may decrease grazprevir levels)

Potentially decreased glecaprevir / pibrentasvir levels expected

Red: Avoid combination Do not coadminister: Potential for reduced levels of glecaprevir / Pibrentasvir

Avoid combination. Use alternative agents

6177 Etravirine Artemether / Lumefantrine 562 Etravirine 200 mg BID

No significant change

Artemether / Lumefantrine artemether / lumefantrine 80 / 480 mg

Artemether AUC decreased 38%; Lumefantrine AUC decreased 13%

Decreased antimalarial effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Use with caution; avoid if possible

6130 Etravirine Daclatasvir 515 Etravirine 600 mg daily

Not studied

Daclatasvir 120 mg daily

AUC increased 37% and Cmin decreased 17%.

Potential loss of anti-HCV efficacy

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of daclatasvir

Increase daclatasvir dose to 90 mg daily.

6146 Etravirine Paroxetine 531 Etravirine 125 mg BID

No significant change

Paroxetine 20 mg daily

No significant change

Green: Administer standard doses Administer standard doses
6162 Etravirine Lumateperone 547 Etravirine Lumateperone

Decreased Lumateperon levels

Red: Avoid combination Do not coadminister: Reduced levels of lumateperon

Avoid combination and use alternative agents

6178 Etravirine Itraconazole 563 Etravirine

Not studied (may increase etravirine levels)

Itraconazole

Not studied (may decrease itraconazole levels)

Decreased itraconazole effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministering, dose adjustment not established. Monitor itraconazole levels and etravirine toxicity.

6195 Nevirapine Methadone 580 Nevirapine 200 mg daily x 14 days; 200 mg BID ³7 days

Nevirapine AUC decreased 46%; Cmax decreased 42%

Methadone stable dose

Not reported

Decreased methadone effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose

6211 Nevirapine RFB 596 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days

AUC decreased 31%

Rifabutin

AUC increased 26%

Decreased antiviral efficacy

Green: Administer standard doses Administer standard doses
6227 Nevirapine Artemether / Lumefantrine 612 Nevirapine Artemether / Lumefantrine artemether / lumefantrine 80 mg / 480 mg x 6 doses

Lumefantrine AUC increased 56%; Cmax increased 24%; half-life: no significant change; clearance: decreased 36%

Red: Avoid combination Do not coadminister: Reduced levels of arthemether / lumifantrine

Use alternative agents

6243 Nevirapine SOF/VEL 628 Nevirapine Sofosbuvir / Velpatasvir

Not studied (may decrease velpatasvir levels)

Potential loss of anti-HCV efficacy

Red: Avoid combination Do not coadminister: potientially reduced levels of velpatasvir

Contraindicated. Use alternative agents.

6196 Nevirapine Methadone 581 Nevirapine 200 mg daily x 14 days; 200 mg BID ³7 days

Nevirapine AUC increased 25%; Cmax increased 17%; Cmin increased 32%

Methadone Stable methadone dose

Methadone AUC decreased 51%; Cmax decreased 36%

Decreased methadone effects (eg, methadone withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose

6212 Nevirapine DRV 597 Nevirapine 200 mg BID

Nevirapine AUC increased 110%; Cmax increased 115%; Cmin increased 135%; half-live: decreased 52% (data compared to historical controls)

Darunavir 400 mg BID with ritonavir 100 mg BID

Darunavir AUC increased 24%; Cmax increased 40%

Potential for increased darunavir effects; Potential for increased nevirapine effects

Green: Administer standard doses Administer standard doses
6228 Nevirapine ATV 613 Nevirapine 200 mg BID days 1-23

No significant change

Atazanavir 300 mg atazanavir daily with 100 mg ritonavir daily

Atazanavir AUC decreased 42%; Cmax decreased 28%; Cmin decreased 72%

Decreased atazanavir effects

Red: Avoid combination Do not coadminister: Reduced levels of atazanavir

Use alternative agents

6244 Nevirapine SOF/VEL 629 Nevirapine Sofosbuvir / Velpatasvir / Voxilaprevir

Not studied (may decrease velpatasvir and voxilaprevirlevels)

Potential loss of anti-HCV efficacy

Red: Avoid combination Do not coadminister: potientially reduced levels of velpatasvir and voxilaprevir

Contraindicated. Use alternative agents.

6197 Nevirapine Methadone 582 Nevirapine 200 mg daily x 14 days; 200 mg BID ³7 days

Nevirapine AUC increased 26%; Cmax increased 21%; Cmin increased 35%

Methadone Stable methadone maintenance

Methadone AUC decreased 46%

Decreased methadone effects (eg, methadone withdrawal; interaction observed one week into therapy

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose

6213 Nevirapine DTG 598 Nevirapine 200 mg BID

Nevirapine Cmin increased 22%

Dolutegravir 50 mg daily

Dolutegravir AUC decreased 19%; Cmin decreased 34%

Green: Administer standard doses Administer standard doses
6229 Nevirapine ATV 614 Nevirapine 200 mg BID days 1-23

Not studied

Atazanavir 400 mg atazanavir daily with 100 mg ritonavir daily

Atazanavir AUC decreased 19%; Cmax no significant change; Cmin decreased 59%

Decreased atazanavir effects

Red: Avoid combination Do not coadminister: Reduced levels of atazanavir

Use alternative agents

6245 Nevirapine Tamsulosin 630 Nevirapine Tamsulosin

Decreased tamsulosin effects

Orange: Minimal data to guide interaction Adjust dosing to avoid decreased levels of tamsulosin

If coadministring, monitor for theraptutic effectiveness of tamsulosin after 2-4 weeks. Increase dose to 0.8mg daily for patients who fail to respond to 0.4 mg dose.

6198 Nevirapine Methadone 583 Nevirapine 200 mg daily x 14 days; 200 mg BID ³7 days Methadone stable dose: racemic methadone 35-220 mg daily; (R)-methadone 45-115 mg daily

racemic methadone AUC decreased 37%; (R)-methadone AUC decreased 44%

Decreased methadone effects (eg, withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose

6214 Nevirapine Paclitaxel 599 Nevirapine 200 mg daily x 2 weeks then 200 mg BID x 28 days

No significant change

Paclitaxel 100 mg / square meter infusion over 3 hours

Not studied

Green: Administer standard doses Administer standard doses
6230 Nevirapine Ethinyl estradiol / Norethindrone acetate 615 Nevirapine Ethinyl estradiol / Norethindrone acetate Ethinyl estradiol 0.035 mg / Norethindrone 1 mg x 1 dose

Ethinyl estradiol AUC decreased 19%; Cmax no significant change. Norethindrone AUC decreased 18%

Possible contraceptive failure

Red: Avoid combination Do not coadminister: Reduced levels of ethinyl estradiol and progesterone

Use alternative contraceptive method

Barrier devices; Condoms
6246 Nevirapine Itraconazole 631 Nevirapine Itraconazole

Itraconazole AUC decreased 61%

Decreased itraconazole effects and possible NVP concentrati

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6199 Nevirapine Isavuconazole 584 Nevirapine Isavuconazole

Possible decreased Isavuconazole levels

Green: Administer standard doses Administer standard doses

monitor for isravucanazole concentrations and anti fungal response

6215 Nevirapine Medroxyprogesterone acetate 600 Nevirapine Medroxyprogesterone acetate 150 mg

Progesterone levels): no significant change

Green: Administer standard doses Administer standard doses
6231 Nevirapine Ethinyl estradiol / Norethindrone acetate 616 Nevirapine Ethinyl estradiol / Norethindrone acetate Ethinyl estradiol 0.035 mg / Norethindrone 1 mg daily x 30 days

Ethinyl estradiol: AUC decreased 23%; half-life: decreased 44%; Norethindrone: AUC decreased 18%; half-life: decreased 15%

Possible contraceptive failure

Red: Avoid combination Do not coadminister: Reduced levels of ethinyl estradiol and progesterone

Use alternative contraceptive method

6247 Nevirapine Ticagrelor 632 Nevirapine Ticagrelor

Possible decreased ticagrelor levels

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

Avoid combination and use alternative agents

6200 Nevirapine Fluconazole 585 Nevirapine 200 mg daily Fluconazole 200 mg daily x 40 days

No significant change

Increased nevirapine effects

Green: Administer standard doses Administer standard doses

Monitor for nevirapine toxicity

6216 Nevirapine Daclatasvir 601 Nevirapine

Cmin decreased 16%

Daclatasvir

Rifabutin AUC increased 17%, metabolite AUC increased 24%

Green: Administer standard doses Administer standard doses
6232 Nevirapine ETR 617 Nevirapine 200 mg daily x 2 weeks then 200 mg BID x 2 weeks

levels): increased 15-30%

Etravirine

Etravirine AUC decreased 55%

Decreased etravirine and nevirapine effects

Red: Avoid combination Do not coadminister: Reduced levels of etravirine

Use alternative agents

6248 Nevirapine Bosentan 633 Nevirapine Bosentan

Potential decreased etravirine effects; potential decreased bosentran effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: risks likely to outweigh benefits

If coadministring, monitor bosentran efficacy and virologic response

6201 Nevirapine Fluconazole 586 Nevirapine 200 mg daily Fluconazole 200 mg three times weekly

Potential for increased nevirapine effects

Green: Administer standard doses Administer standard doses

Monitor for nevirapine toxicity

6217 Nevirapine AZT, ZDV 602 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days

No significant change

Zidovudine 100-200 mg TID Green: Administer standard doses Administer standard doses
6233 Nevirapine Ketoconazole 618 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Ketoconazole 400 mg daily

Ketoconazole AUC decreased 72%; Cmax decreased 44%

Decreased ketoconazole effects

Red: Avoid combination Do not coadminister: Reduced levels of ketoconazole

Use alternative agents

6249 Nevirapine Warfarin 634 Nevirapine Warfarin

Potential decreased warfarin effects (eg, altered INR, increased risk of clotting)

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministering monitor INR and adjust warfarin as indicated. Monitor for signs and symptons of bleeding.

6202 Nevirapine Bupropion 587 Nevirapine Bupropion

Decreased bupropion effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate bupropion to effect

6218 Nevirapine Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 603 Nevirapine Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir

Not studied (may decrease paritaprevir levels)

Potential decrease in anti-HCV efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of anti-HCV agents

Use alternative agents

6234 Nevirapine LNG 619 Nevirapine Levonorgestrel

Levonorgestrel AUC increased 35%

Red: Avoid combination Do not coadminister: Reduced levels of levonorgestrel
6250 Nevirapine Caffeine / Ergotamine 635 Nevirapine 200 mg daily x 2 weeks then 200 mg BID x 28 days

No significant change

Caffeine / Ergotamine

Not studied (may decrease ergot levels)

Ergotamine levels may be decreased

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministering, monitor for ergot efficacy

6203 Nevirapine Escitalopram 588 Nevirapine Escitalopram

Decreased escitalopram effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate escitalopram to effect

6219 Nevirapine Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 604 Nevirapine 200 mg BID

Nevirapine AUC decreased 27% (at week 4); Nevirapine AUC no significant change (at week 10)Nevirapine AUC with rifampicin approximates nevirapine baseline without rifampicin at week 10.

Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir

Not studied (may decrease paritaprevir levels)

Potential decrease in HCV agent efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of dasabuvir, ombitasvir, and paritaprevir

Use alternative agents

6235 Nevirapine Lumateperone 620 Nevirapine Lumateperone

Decreased Lumateperon levels

Red: Avoid combination Do not coadminister: Reduced levels of lumateperon

Avoid combination and use alternative agents

6251 Nevirapine CBZ 636 Nevirapine Carbamazepine

Potential decreased anticonvulsant and NVP concentration

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, monitor anticonvulsant and NVP concentration

6204 Nevirapine Sertraline 589 Nevirapine Sertraline

Decreased sertaline effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate sertaline to effect

6220 Nevirapine EBR/GZR 605 Nevirapine Elbasvir / Grazoprevir

Not studied (may decrease grazprevir levels)

Potentially decreased elbasvir, grazoprevir levels expected

Red: Avoid combination Do not coadminister: Potential for reduced levels of elbasvir / grazoprevir

Avoid combination. Use alternative agents

6236 Nevirapine RPT 621 Nevirapine Rifapentine

Cmin decreased 27%

Decreased nevirapine effects

Red: Avoid combination Do not coadminister: Reduced levels of nevirapine

Contraindicated. Use alternative agents.

6252 Nevirapine Diltiazem 637 Nevirapine Diltiazem

Potential decreased dilitazem efficacy

Orange: Minimal data to guide interaction minimal data to guide interaction: weigh risks and benefits of using this combination

If coadministring, titrate dilitazem based on clinical response

6205 Nevirapine Trazodone 590 Nevirapine Trazodone

Decreased trazadone effects

Green: Administer standard doses Administer standard doses

Monitor for signs and symptoms of depression and titrate trazadone to effect

6221 Nevirapine EBR/GZR 606 Nevirapine 200 mg BID

Nevirapine AUC decreased 31%; Cmax decreased 36%; Cmin decreased 21%

Elbasvir / Grazoprevir

Not studied (may decrease grazprevir levels)

Decreased elbasvir, grazoprevir levels expected

Red: Avoid combination Do not coadminister: Potential for reduced levels of elbasvir / grazoprevir

Contraindicated. Use alternative agents.

6237 Nevirapine RIF 622 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Rifampin 600 mg daily

No significant change

Decreased nevirapine effects

Red: Avoid combination Do not coadminister: Reduced levels of nevirapine

Use alternative agents

Rifabutin
6253 Nevirapine SQV 638 Nevirapine 200 mg daily x 14 days

Not studied

Saquinavir 600 mg (hard gel caps) TID

Saquinavir AUC decreased 24%; Cmax decreased 28%

Decreased saquinavir effects

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

Use alternative agents

6190 Nevirapine Daclatasvir 575 Nevirapine Daclatasvir 120 mg daily

AUC increased 37% and Cmin decreased 17%.

Potential loss of anti-HCV efficacy

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of daclatasvir

Increase daclatasvir dose to 90 mg daily.

6206 Nevirapine Atorvastatin 591 Nevirapine Atorvastatin

Atorvastatin AUC decreased 32%-43%

Decreased lipid effects

Green: Administer standard doses Administer standard doses

Monitor for statin efficacy. May need to increase atorvastatin dose

6222 Nevirapine Elvitegravir / cobicistat / emtricitabine / tenofovir alafenamide 607 Nevirapine 200 mg daily x 2 weeks, 200 mg BID x 28 days

Not studied

Elvitegravir / Cobicistat / Emtricitabine / Tenofovir alafenamide

Not studied

Potentially decreased or increased elvitegravir, cobicistat and / or nevirapine effects

Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir / cobicistat

Use alternative agents

6238 Nevirapine RIF 623 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Rifampin

Not studied

Decreased nevirapine effects

Red: Avoid combination Do not coadminister: Reduced levels of nevirapine

Use alternative agents

Rifabutin
6254 Nevirapine DRV 639 Nevirapine

AUC increased 110%

Darunavir

Increased Nevirapine effects, increased risk of hepatotoxcity

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

Use alternative agents

6191 Nevirapine Daclatasvir 576 Nevirapine 200 mg daily x 14 days; 200 mg

Nevirapine Cmin decreased 16%

Daclatasvir

Not studied (may decrease daclatasvir levels)

Potential loss of anti-HCV efficacy

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of daclatasvir

Increase daclatasvir dose to 90 mg daily.

6207 Nevirapine Linagliptin 592 Nevirapine Linagliptin

Possible decrease in antihyperglycemic effects

Green: Administer standard doses Administer standard doses

Monitor glycemic control

6223 Nevirapine St. John's Wort (Hypericum perforatum) 608 Nevirapine St. John's Wort

Not studied

loss of virologic response

Red: Avoid combination Do not coadminister: Potential for reduced levels of NVP

Contraindicated. Use alternative agents

6239 Nevirapine RIF 624 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Rifampin 450 mg if < 55 kg and 600 mg if > 55 kg x 7 days

Decreased nevirapine effects

Red: Avoid combination Do not coadminister: Reduced levels of nevirapine

Use alternative agents

Rifabutin
6255 Nevirapine MMF, MPA 640 Nevirapine 200 mg BID x 43 doses

No significant change

Mycophenolate 500 mg BID x 8 weeks

Not studied

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits of using this combination

Use alternative agents

6192 Nevirapine FPV 577 Nevirapine 200 mg BID

Nevirapine AUC decreased 46%; Cmax decreased 42%

Fosamprenavir 1400 mg BID

Fosamprenavir AUC decreased 33%; Cmax decreased 25%; Cmin decreased 35%

Decreased fosamprenavir effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of fosamprenavir

Do not use with fosamprenavir alone. Ritonavir boosted fosamprenavir (700 / 100 mg BID) can be considered

Consider ritonavir-boosted fosamprenavir
6208 Nevirapine RTV 593 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days

Nevirapine AUC decreased 40%

Ritonavir 600 mg BID

No significant change

Green: Administer standard doses Administer standard doses

No dose adjustment necessary

6224 Nevirapine SOF/VEL 609 Nevirapine 200 mg x 1

Nevirapine AUC decreased 79%; Cmax decreased 20%; Cmin decreased 60%; half-life: decreased 66%

Sofosbuvir / Velpatasvir

Potential decrease in sofosbuvir and velpatasvir levels).

Potential loss of anti-HCV efficacy

Red: Avoid combination Do not coadminister: Potential for reduced levels of sofosbuvir

Use alternative agents

6240 Nevirapine RIF 625 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Rifampin 600 mg daily

Decreased nevirapine effects

Red: Avoid combination Do not coadminister: Reduced levels of nevirapine

Use alternative agents

Rifabutin
6256 Nevirapine Clarithromycin 641 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Clarithromycin 500 mg BID

Clarithromycin AUC decreased 31%; Cmax decreased 23%; Cmin decreased 56%; 14-hydroxy clarithromycin AUC increased 42%, Cmax increased 47%

Decreased clarithromycin effects but increased metabolite concentrations

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits when using this combination

Consider using alternative agents such as Azithromycin

6193 Nevirapine FPV 578 Nevirapine 200 mg BID

Not studied

Fosamprenavir 700 mg fosamprenavir BID with 100 mg ritonavir BID

No significant change

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of fosamprenavir

Do not use with fosamprenavir alone. Ritonavir boosted fosamprenavir (700 / 100 mg BID) can be considered

6209 Nevirapine MVC 594 Nevirapine 200 mg BID

Nevirapine AUC no significant change

Maraviroc 300 mg single dose

Maraviroc Cmax increased 54%

Green: Administer standard doses Administer standard doses

Use standard dose maraviroc. If coadministering with nevirapine plus a protease inhibitor, reduce dose of maraviroc to 150 mg BID

6225 Nevirapine Artemether / Lumefantrine 610 Nevirapine Artemether / Lumefantrine artemether / lumefantrine 80 / 480 mg

Artemether AUC decreased 72%; Cmax decreased 61%; Lumefantrine AUC decreased 21%; Cmax decreased 30%

Potentially increased treatment failure

Red: Avoid combination Do not coadminister: Reduced levels of arthemether / lumifantrine

Use alternative agents

6241 Nevirapine Pimavanserin 626 Nevirapine Pimavanserin

Decreased pimavanserin levels

Red: Avoid combination Do not coadminister: Reduced levels of pimavanserin

Avoid combination and use alternative agents

6257 Nevirapine CsA 642 Nevirapine Cyclosporine

decreased effects of immunosuppresant

Orange: Minimal data to guide interaction Minimal data to guide interaction: weigh risks and benefits when using this combination

if co administiring, monitor immunosuppressant efficacy

6194 Nevirapine IDV 579 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days Indinavir 800 mg Q8H

Indinavir AUC decreased 31%; Cmax decreased 15%, Cmin decreased 44%

Decreased indinavir effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of indinavir

Increase indinavir to 1000 mg Q8H

6210 Nevirapine RFB 595 Nevirapine 200 mg daily x 14 days; 200 mg BID x 14 days

No significant change in nevirapine Cmin

Rifabutin 150 or 300 mg daily

AUC increased 17%, Cmax increased 28% and 25-O-desacetyl-rifabutin AUC increased 24%

Decreased antiviral efficacy

Green: Administer standard doses Administer standard doses
6226 Nevirapine Artemether / Lumefantrine 611 Nevirapine Artemether / Lumefantrine artemether / lumefantrine 80 / 480 mg

Lumefantrine AUC decreased 21%; Cmax decreased 30%

Potentially increased treatment failure

Red: Avoid combination Do not coadminister: Reduced levels of arthemether / lumifantrine

Use alternative agents

6242 Nevirapine Cariprazine 627 Nevirapine Cariprazine

Potential decreased cariprazine effects

Red: Avoid combination Do not coadminister: potientially reduced levels of cariprazine

Contraindicated. Use alternative agents.

6258 Nevirapine TDF 643 Nevirapine 200-400 mg daily

Not studied

Tenofovir Disoproxil Fumarate

Potential early virologic failure

Use caution when coadministering tenofovir, didanosine and either efavirenz or nevirapine in treatment naive patients

6259 Rilpivirine Methadone 644 Rilpivirine 25 mg daily

No significant change

Methadone 60-100 mg daily

R-methadone AUC decreased 16%; Cmin decreased 22%; S-methadone AUC decreased 16%; Cmin decreased 21%;

Potentially decreased methadone effects (eg, withdrawal)

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of methadone

If coadministering monitor for signs and symptoms of methadone withdrawal. Some patients may require an increased methadone dose

6275 Rilpivirine St. John's Wort (Hypericum perforatum) 660 Rilpivirine St. John's Wort Red: Avoid combination Contraindicated
6260 Rilpivirine Aluminum and magnesium hydroxide antacid 645 Rilpivirine Aluminum and magnesium hydroxide antacid

Potentially decreased rilpivirine effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of rilpivirine

Administer antacids either at least 2 hours before or at least 4 hours after rilpivirine.

6276 Rilpivirine RPT 661 Rilpivirine Rifapentine Red: Avoid combination Do not coadminister: Reduced levels of rilpivirine
6261 Rilpivirine Famotidine 646 Rilpivirine 150 mg x 1

Rilpivirine AUC decreased 76%; Cmax decreased 85%

Famotidine 40 mg x 1 taken 2 hours before rilpivirine

Decreased rilpivirine effects

Yellow: Adjust dosing Adjust dosing to avoid reduced levels of rilpivirine

Administer H2-antagonist by at least 12 hours before rilpivirine or at least 4 hours after rilpivirine.

6277 Rilpivirine Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 662 Rilpivirine 25 mg daily

RPV increased 155%; AUC increased 225%; Cmin increased 262%

Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir paritaprevir 150 mg with ritonavir 100 mg with ombitasvir 25 mg daily + dasabuvir 250 mg BID

Dasabuvir Cmax increased 18%; AUC increased 17%; Cmin increased 10%. Ombitasvir AUC increased 9%. Paritaprevir Cmin increased 30%, AUC increased 23%; Cmin decreased 5%.

Potential for QT interval prolongation with higher concentrations of RPV.

Red: Avoid combination Do not coadminister: Increased levels of rilpivirine

Use alternative agents

6262 Rilpivirine Ketoconazole 647 Rilpivirine 150 mg daily

Rilvpivirine AUC increased 49%; Cmin increased 76%; Cmax increased 30%

Ketoconazole 400 mg daily

Ketoconazole AUC decreased 24%; Cmin decreased 66%; Cmax decreased 15%

Decreased ketoconazole effects

Green: Administer standard doses Administer standard doses

Monitor for failure of antifungal therapy

6278 Rilpivirine Omeprazole 663 Rilpivirine 150 mg daily

Rilpivirine AUC decreased 40%; Cmin decreased 33%; Cmax decreased 40%

Omeprazole 20 mg daily

No significant change

Decreased rilpivirine effects

Red: Avoid combination Do not coadminister: Reduced levels of rilpivirine

Contraindicated. Use alternative agents.

H2-antagonists if administered at least 12 hours before rilpivirine or at least 4 hours after rilpivirine.
6263 Rilpivirine Atorvastatin 648 Rilpivirine 150 mg daily

No significant change

Atorvastatin 40 mg daily

Atorvastatin Cmin decreased 15%; Cmax increased 35%

Green: Administer standard doses Administer standard doses
6279 Rilpivirine RIF 664 Rilpivirine 150 mg daily

Rilpivirine AUC decreased 80%; Cmin decreased 89%; Cmax decreased 69%

Rifampin 600 mg daily

No significant change

Decreased rilpivirine effects

Red: Avoid combination Do not coadminister: Reduced levels of rilpivirine

Use alternative agents

6959 Rilpivirine Esomeprazole 123 Rilpivirine Esomeprazole

Decreased rilpivirine effects

Red: Avoid combination Do not coadminister: Reduced levels of rilpivirine

Contraindicated. Use alternative agents.

H2-antagonists if administered at least 12 hours before rilpivirine or at least 4 hours after rilpivirine. DHHS Adult ARV Guidelines
6264 Rilpivirine DTG 649 Rilpivirine 25 mg daily

Rilpivirine Cmin increased 21%

Dolutegravir 50 mg daily

Dolutegravir Cmin increased 22%

Green: Administer standard doses Administer standard doses