Red: Avoid combination

Label
Interaction expected – Do not coadminister
Color
Red
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Displaying 201 - 300 of 332
Interaction Color Code Clinical Bottom Line Clinical Effects Drug 1 effect Drug 2 dose Drug 2 effect Management
Efavirenz EE/NGM 457 Red: Avoid combination Do not coadminister: Reduced levels of progestin

Decreased effects of ethinyl estradiol and norgestimate

0.035 mg ethinyl estradiol / 0.25 mg norgestimate x 14 days

Ethinyl estradiol: no significant change; Norgestromin AUC decreased 64%; Cmax decreased 46%; Cmin decreased 82%

Use alternative contraceptive method

Efavirenz EE/NGM 456 Red: Avoid combination Do not coadminister: Reduced levels of progestin

Decreased effects of ethinyl estradiol and norgestimate

0.035 mg ethinyl estradiol / 0.25 mg norgestimate x 14 days

Ethinyl estradiol: no significant change; Norgestromin AUC decreased 64%; Cmax decreased 46%; Cmin decrased 82%

Use alternative contraceptive method

Efavirenz EE/NGM 455 Red: Avoid combination Do not coadminister: Reduced levels of progestin

Decreased effects of ethinyl estradiol and norgestimate

0.025 mg ethinyl estradiol / 0.25 mg norgestimate

Ethinyl estradiol: no significant change; Norgestromin AUC decreased 64%; Cmax decreased 46%; Cmin decrased 82%

Use alternative contraceptive method

Efavirenz Pimavanserin 454 Red: Avoid combination Do not coadminister: Reduced levels of pimavanserin

Decreased pimavanserin levels

Avoid combination and use alternative agents

Efavirenz G/P 453 Red: Avoid combination Do not coadminister: Reduced levels of Pibrenatasvir / Glecaprevir

decreased pibrenatasvir / glecaprevir effects

Contraindicated. Use alternative agents.

Efavirenz Lumateperone 452 Red: Avoid combination Do not coadminister: Reduced levels of lumateperon

Decreased Lumateperon levels

Avoid combination and use alternative agents

Efavirenz LNG 451 Red: Avoid combination Do not coadminister: Reduced levels of levonorgestrel

Decreased levonorgestrel effects

0.75 mg x 1

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

Use alternative contraceptive method

Efavirenz G/P 450 Red: Avoid combination Do not coadminister: Reduced levels of glecaprevir / pibrentasvir

Possible decrease in glecaprevir and pribrentasvir levels

contraindicated. Use alternative agents.

Efavirenz G/P 449 Red: Avoid combination Do not coadminister: Reduced levels of glecaprevir / pibrentasvir

Possible decrease in glecaprevir and pribrentasvir levels

contraindicated. Use alternative agents.

Efavirenz ETR 448 Red: Avoid combination Do not coadminister: Reduced levels of etravirine

Decreased etravirine and efavirenz effects

Etravirine AUC decreased 41%

Use alternative agents

Efavirenz EBR/GZR 447 Red: Avoid combination Do not coadminister: Reduced levels of elbasvir / grazoprevir Elbasvir 50 mg daily with grazoprevir 100 mg daily

Elbasvir AUC decreased 54% Grazoprevir AUC decreased 83%

Contraindicated. Use alternative agents.

Efavirenz EBR/GZR 446 Red: Avoid combination Do not coadminister: Reduced levels of elbasvir / grazoprevir

decreased of elbasvir / grazoprevir effects

Contraindicated. Use alternative agents.

Efavirenz EBR/GZR 445 Red: Avoid combination Do not coadminister: Reduced levels of elbasvir / grazoprevir

decreased of elbasvir / grazoprevir effects

Elbasvir 50 mg daily with grazoprevir 100 mg daily

Elbasvir AUC decreased 54% Grazoprevir AUC decreased 83%

Contraindicated. Use alternative agents.

Efavirenz Cariprazine 444 Red: Avoid combination Do not coadminister: Reduced levels of cariprazine

Decreased cariprazine levels

Avoid combination and use alternative agents

Efavirenz CBZ 443 Red: Avoid combination Do not coadminister: Reduced levels of carbamazepine and efavirenz

Decreased efavirenz and carbamazepine levels

Efavirenz AUC decreased 36%; Cmax decreased 21%; Cmin decreased 47%

200 mg daily on days 1-3, 200 mg BID on days 4-6, 400 mg daily thereafter

Carbamazepine AUC decreased 27%; Cmax decreased 20%; Cmin decreased 35%

Avoid combination and use alternative agents. If coadministering monitor carbamazepine levels and adjust as indicated. Monitor antiviral efficacy

Efavirenz Elvitegravir / Cobicistat / Emtricitabine / Tenofovir alafenamide 442 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir / cobicistat

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

Not studied (may decrease elvitegravir and cobicistat levels)

Not studied

Use alternative agents

Efavirenz St. John's Wort (Hypericum perforatum) 441 Red: Avoid combination Do not coadminister: Potential for reduced levels of efavirenz

Decreased efavirenz effects

Not studied (may decrease efavirenz levels)

Not studied

Contraindicated. Use alternative agents.

Efavirenz ATV/c 440 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

Not studied

Not studied (may decrease atazanavir and cobicistat levels)

Use alternative agents

Efavirenz ATV 439 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

300 mg daily / ritonavir 100 mg daily days 1-10 then 400 mg daily / ritonavir 100 mg daily days 11-24

Atazanavir Cmin decreased 43%, Cmax increased 17%

Use alternative agents

Efavirenz ATV 438 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

300 mg daily / ritonavir 100 mg daily days 1-10 then 400 mg daily / ritonavir 100 mg daily days 11-24

Atazanavir Cmin decreased 42%, Cmax increased 17%

Use alternative agents

Efavirenz ATV 437 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

400 mg daily d 1-6, then 300 mg daily days 7_-20 with ritonavir 100 mg daily

Atazanavir auc increased 39%, Cmax increased 48%, Cmin increased 48%.

Use alternative agents

Efavirenz ATV 436 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

400 mg daily d 1-6, then 300 mg daily days 7_-20 with ritonavir 100 mg daily

Atazanavir auc increased 39%, Cmax increased 48%, Cmin increased 14%.

Use alternative agents

Efavirenz ATV 435 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

400 mg daily x 20 days

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

Use alternative agents

Efavirenz ATV 434 Red: Avoid combination Do not coadminister: Potential for reduced levels of atazanavir

Potential loss of antiviral efficacy

400 mg daily x 20 days

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

Use alternative agents

Efavirenz Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 433 Red: Avoid combination Do not coadminister: Potential for reduced antiviral activity

Significant GI and neurologic adverse events occurred, increase ALT

Not studied

Not studied (may decrease paritaprevir levels)

Contraindicated. Use alternative agents.

Efavirenz Ergotamine 432 Red: Avoid combination Do not coadminister: Potential for increased levels of ergotamine

Potentially increased ergotamine effects (eg, ergotism)

Not studied

Not studied (may increase ergotamine levels)

Avoid combination and use alternative agents

Doravirine EFV 359 Red: Avoid combination Do not coadminister: Reduced levels of doravirine

Potential decrease in antiretroviral efficacy

AUC decreased 62%; Cmax decreased 35%; C24 decreased 85%

600 mg x 1

Not studied

Do not coadminister. Use alternative agents.

Doravirine EFV 358 Red: Avoid combination Do not coadminister: Reduced levels of doravirine

Potential decrease in antiretroviral efficacy

AUC decreased 32%; Cmax decreased 14%; C24 decreased 50%

600 mg daily x 14 days

Not studied

Do not coadminister. Use alternative agents.

Doravirine RIF 357 Red: Avoid combination Do not coadminister: Reduced levels of doravirine

Potential decrease in antiretroviral efficacy.

AUC decreased 88%; Cmax decreased 57%, Cmin decreased 97%

600 mg daily

Not studied

Contraindicated. Use alternative agents. If discontinuing the rifamycin, at least a 4 week cessation period is recommended prior to beginning doravirine.

Doravirine RFB 356 Red: Avoid combination Do not coadminister: Reduced levels of doravirine

Potential decrease in antiretroviral efficacy

AUC decreased 50%; Cmin decreased 68%

300 mg daily

Not studied

Contraindicated. Use alternative agents. If discontinuing the rifamycin, at least a 4 week cessation period is recommended prior to beginning doravirine.

Doravirine NVP 355 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Do not coadminister. Use alternative agents.

Doravirine ETR 354 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Do not coadminister. Use alternative agents.

Doravirine St. John's Wort (Hypericum perforatum) 353 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing St. John's Wort, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Doravirine Phenytoin 352 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing phenytoin, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Doravirine Phenobarbital 351 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing phenobarbital, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Doravirine Oxcarbazepine 350 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing oxcarbazepine, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Doravirine Mitotane 349 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing mitotane, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Doravirine Enzalutamide 348 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing enzalutamide, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Doravirine Carbamazepine 347 Red: Avoid combination Do not coadminister: Potential for reduced levels of doravirine

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents. If discontinuing carbamazepine, a minimum 4 week cessation period is recommended prior to initiating doravirine.

Cabotegravir RIF 343 Red: Avoid combination Do not coadminister: Reduced levels of CAB

Potential decrease in antiretroviral efficacy

Cmax decreased 6%, AUC decreased 59%, Cmin decreased 50%

600 mg once daily

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Griseofulvin 342 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir St. John's Wort (Hypericum perforatum) 341 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir RPT 340 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Primidone 339 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Phenytoin 338 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Phenobarbital 337 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Oxcarbazepine 336 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Eslicarbazepine 335 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir Enzalutamide 334 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Cabotegravir CBZ 333 Red: Avoid combination Do not coadminister: Potential for reduced levels of CAB

Potential decrease in antiretroviral efficacy

Not studied

Not studied

Contraindicated. Use alternative agents.

Raltegravir Calcium carbonate 323 Red: Avoid combination Do not coadminister: Reduced levels of raltegravir

Raltegravir AUC decreased 72%; Cmin decreased 48%

3000 mg single dose given with raltegravir

Not reported

Contraindicated. Use alternative agents.

Raltegravir Calcium carbonate 322 Red: Avoid combination Do not coadminister: Reduced levels of raltegravir

Raltegravir AUC decreased 10%; Cmin decreased 57%

3000 mg single dose given 12 hours after raltegravir

Not reported

Contraindicated. Use alternative agents.

Raltegravir Aluminum and magnesium hydroxide antacid 321 Red: Avoid combination Do not coadminister: Reduced levels of raltegravir

Raltegravir AUC decreased 49% if antacid given simultaneously. AUC decreased 51% if antacid given 2 hours before. AUC decreased 30% if antacid given 2 hours after. AUC decreased 19% if antacid given 4 hours before. AUC decreased 32% if antacid given 4 hours after. AUC decreased 11-13% if antacid given 6 hours before or 6 hours after.

20 mL single dose

Not reported

Contraindicated. Use alternative agents.

Raltegravir Aluminum and magnesium hydroxide antacid 320 Red: Avoid combination Do not coadminister: Reduced levels of raltegravir

Raltegravir AUC decreased 14% if antacid given 12 horus after.

20 mL single dose

Not reported

Contraindicated. Use alternative agents.

Raltegravir Phenobarbital 319 Red: Avoid combination Do not coadminister: Potential for reduced levels of raltegravir

Potential decrease in antiretroviral efficacy

Use alternative agents

Raltegravir Eslicarbazepine 318 Red: Avoid combination Do not coadminister: Potential for reduced levels of raltegravir

Potential decrease in antiretroviral efficacy

Use alternative agents

Raltegravir CBZ 317 Red: Avoid combination Do not coadminister: Potential for reduced levels of raltegravir

Potential decrease in antiretroviral efficacy

Use alternative agents

Elvitegravir RPT 220 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir

Potential decrease in antiretroviral efficacy

Use alternative agents

Elvitegravir St. John's Wort (Hypericum perforatum) 219 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents.

Elvitegravir Eslicarbazepine 218 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents.

Elvitegravir Phenytoin 217 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents.

Elvitegravir Phenobarbital 216 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir

Potential decrease in antiretroviral efficacy

Contraindicated. Use alternative agents.

Elvitegravir RIF 215 Red: Avoid combination Do not coadminister: Potential for reduced levels of elvitegravir

Expected significant decreased in elvitegravir, cobicistat. Potential decreased antiretroviral efficacy

Contraindicated. Use alternative agents.

Elvitegravir Clopidogrel 214 Red: Avoid combination Do not coadminister: Potential for reduced levels of clopidogrel

Potential reduction of antiplatelet activity

Use alternative agents

Elvitegravir Vorapaxar 213 Red: Avoid combination Do not coadminister: Potential for increased levels of vorapaxar

Potential for increased risk of bleeding

Avoid combination and use alternative antiplatelet agent

Elvitegravir Ticagrelor 212 Red: Avoid combination Do not coadminister: Potential for increased levels of ticagrelor

Potential for increased risk of bleeding

Avoid combination and use alternative antiplatelet agent.

Elvitegravir Suvorexant 211 Red: Avoid combination Do not coadminister: Potential for increased levels of suvorexant

Potential for increased suvorexant adverse effects

Use alternative agents

Elvitegravir Salmeterol 210 Red: Avoid combination Do not coadminister: Potential for increased levels of salmeterol

Increased risk of cardiovascular adverse events (e.g. QT prolongation, palpitations, sinus tachycardia)

Use alternative agents

Elvitegravir Ranolazine 209 Red: Avoid combination Do not coadminister: Potential for increased levels of ranolazine

Potential for increased risk of ranolazine adverse effects

Contraindicated. Use alternative agents.

Elvitegravir Ivabradine 208 Red: Avoid combination Do not coadminister: Potential for increased levels of ivabradine

Potential for increased risk of ivabradine adverse effects

Contraindicated. Use alternative agents.

Elvitegravir Flibanserin 207 Red: Avoid combination Do not coadminister: Potential for increased levels of flibanserin

Potential for increased risk of flibanserin adverse effects

Use alternative agents

Elvitegravir Eplerenone 206 Red: Avoid combination Do not coadminister: Potential for increased levels of eplerenone

Potential for increased risk of eplerenone adverse effects

Contraindicated. Use alternative agents.

Elvitegravir Dofetilide 205 Red: Avoid combination Do not coadminister: Potential for increased levels of dofetilide

Potential for increased risk of dofetilide adverse effects

Use alternative agents

Elvitegravir Lumateperone 204 Red: Avoid combination Do not coadminister: potential toxicity

Potential for increased risk of lumateperone adverse effects

Use alternative agents

Elvitegravir Lurasidone 203 Red: Avoid combination Do not coadminister: potential toxicity

Potential serious or life-threatening reactions

Contraindicated. Use alternative agents.

Elvitegravir Triazolam 202 Red: Avoid combination Do not coadminister: Potential for increased levels of triazolam

Potential for increased triazolam effects (e.g. prolonged sedation, altered mental status, respiratory depression)

Contraindicated. Use alternative agents.

Elvitegravir Triamcinolone 201 Red: Avoid combination Do not coadminister: Potential for increased levels of triamcinolone

Potential for increased risk of adrenal insufficiency and Cushing's syndrome

Do not coadminister if triamcinolone is used for local injection.

Elvitegravir Simvastatin 200 Red: Avoid combination Do not coadminister: Potential for increased levels of simvastatin

Potential for increased simvastatin effects (e.g. myopathy, rhabdomyolysis)

Contraindicated. Use alternative agents.

Elvitegravir Simeprevir 199 Red: Avoid combination Do not coadminister: Potential for increased levels of simeprevir

Potential for increased simeprevir toxicity

Use alternative agents

Elvitegravir Silodosin 198 Red: Avoid combination Do not coadminister: Potential for increased levels of silodosin

Potential for increased silodosin adverse effects

Contraindicated. Use alternative agents.

Elvitegravir Pimozide 197 Red: Avoid combination Do not coadminister: Potential for increased levels of pimozide

Potential serious or life-threatening reactions such as cardiac arrhythmia.

Contraindicated. Use alternative agents.

Elvitegravir Mometasone 196 Red: Avoid combination Do not coadminister: Potential for increased levels of mometasone

Potential for increased risk of adrenal insufficiency and Cushing's syndrome

Use alternative agents

Elvitegravir Midazolam 195 Red: Avoid combination Do not coadminister: Potential for increased levels of midazolam

Potential for increased midazolam effects (e.g. prolonged sedation, altered mental status, respiratory depression)

Co-administration of oral midazolam is contraindicated. Parenteral midazolam can be used with caution when given as a single dose in a closely monitored situation for procedural sedation.

Elvitegravir Alprazolam 194 Red: Avoid combination Do not coadminister: Potential for increased levels of midazolam

Potential for increased alprazolam effects (e.g. sedation, altered mental status, respiratory depression)

Coadministration of EVG with oral midazolam is contraindicated. Parenteral midazolam can be used with caution when given as a single dose in a closely monitored situation for procedural sedation.

Elvitegravir Methylprednisolone 193 Red: Avoid combination Do not coadminister: Potential for increased levels of methylprednisolone

Potential for increased risk of adrenal insufficiency and Cushing's syndrome

Do not coadminister if methylprednisolone being used for local injection.

Elvitegravir Methylergonovine 192 Red: Avoid combination Do not coadminister: Potential for increased levels of methylergonovine

Potential for increased ergot effects (e.g. ergot toxicity, peripheral vasospasm, ischemia)

Contraindicated. Use alternative agents.

Elvitegravir HMG-CoA Reductase Inhibitors 191 Red: Avoid combination Do not coadminister: Potential for increased levels of lovastatin

Potential for increased lovastatin effects (e.g. myopathy, rhabdomyolysis)

Contraindicated. Use alternative agents.

Elvitegravir Fluticasone 190 Red: Avoid combination Do not coadminister: Potential for increased levels of fluticasone

Potential for increased risk of adrenal insufficiency and Cushing's syndrome

Use alternative agents

Elvitegravir Ergotamine 189 Red: Avoid combination Do not coadminister: Potential for increased levels of ergotamine

Potential for increased ergot effects (e.g. ergot toxicity, peripheral vasospasm, ischemia)

Contraindicated. Use alternative agents.

Elvitegravir Dihydroergotamine 188 Red: Avoid combination Do not coadminister: Potential for increased levels of dihydroergotamine

Potential for increased ergot effects (e.g. ergot toxicity, peripheral vasospasm, ischemia)

Contraindicated. Use alternative agents.

Elvitegravir EBR/GZR 187 Red: Avoid combination Do not coadminister: Potential for increased levels of antivirals

Potential for increased AUC of HCV agents

No significant change

Elbasvir Cmax increased 91%, AUC increased 118%; Grazoprevir Cmax increased 359%, AUC increased436%

Use alternative agents

Elvitegravir Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 186 Red: Avoid combination Do not coadminister: Potential for increased levels of antivirals

Potential for increased AUC of HCV agents

Use alternative agents

Elvitegravir Alfuzosin 185 Red: Avoid combination Do not coadminister: Potential for increased levels of alfuzosin

Potential for increased alfuzosin adverse effects (e.g. hypotension)

Contraindicated. Use alternative agents.

Elvitegravir Lomitapide 184 Red: Avoid combination Do not coadminister: Potential for increased level of lomitapide

Potential for increased risk of elevated transaminases

Contraindicated. Use alternative agents.

Elvitegravir Avanafil 183 Red: Avoid combination Do not coadminister: Potential for increased level of avanafil

Potential for increased risk avanafil adverse effects

Contraindicated. Use alternative agents.

Elvitegravir Dapagliflozin / Saxagliptin 182 Red: Avoid combination Do not coadminister: Increased levels of saxagliptin

Potential for increased saxagliptin adverse effects

Not reported

saxagliptin 5 mg

Not reported

Use alternative agents

Elvitegravir CBZ 136 Red: Avoid combination Do not coadminister: Reduced levels of elvitegravir

Potential decrease in antiretroviral efficacy

Cmax decreased 45%, AUC decreased 69%, Cmin decreased 97%

200 mg BID

Cmax increased 40%, AUC increased 43%, Cmin increased 51%. Epoxide metabolite (pharmacologically active) Cmax decreased 73%, AUC decreased 35%, and Cmin decreased 41%.

Contraindicated. Use alternative agents.

Elvitegravir RFB 135 Red: Avoid combination Do not coadminister: Increased levels of rifabutin, reduced levels of elvitegravir

Increased rifabutin effects, potential loss of antiretroviral activity

Cmax decreased 9%, AUC decreased 21%, Cmin decreased 67%

150 mg every other day

No significant change in rifabutin Cmin, AUC, or Cmax. 25-O-desacetylrifabutin metabolite Cmax increased 384%, AUC increased 625%, Cmin increased 394% as compared to 300 mg rifabutin alone.

Use alternative agents

Dolutegravir CBZ 124 Red: Avoid combination Do not coadminister: Reduced levels of dolutegravir

Potential decrease in antiretroviral efficacy

Cmax decreased 33%, AUC decreased 49%, Cmin decreased 73%

300 mg BID

Not studied

Use alternative agents. If this combination must be used in an INSTI-na•ve adult patient, adminster dolutegravir 50 mg twice daily. Do not use in cases of clinically suspected InSTI resistance. Monitor antiviral efficacy

Dolutegravir ETR 123 Red: Avoid combination Do not coadminister: Reduced levels of dolutegravir

Potential decrease in antiretroviral efficacy

Cmax decreased 52%, AUC decreased 71%, Cmin decreased 88%

200 mg once daily

Not studied

Contraindicated. Use in combination with ATV / r or DRV / r