Amitriptyline
| Interaction Color Code | Clinical Bottom Line | Clinical Effects | Drug 1 effect | Drug 2 dose | Drug 2 effect | Management | |
|---|---|---|---|---|---|---|---|
| Ritonavir Amitriptyline 1055 | Green: Administer standard doses | Administer standard doses | Increased amitriptyline effects (eg, dry mouth, hypotension, confusion) |
Not studied |
Not studied (may increase amitriptyline levels) |
Monitor and adjust amitriptyline as indicated |
|
| Darunavir Amitriptyline 1003 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: weigh risks and benefits of using this combination | Potential for increased risk of amitriptyline adverse effects |
If coadministering, initiate amitriptyline at low dose. Monitor for CNS and cardiovascular effects. |
|||
| Elvitegravir Amitriptyline 150 | Yellow: Adjust dosing | Adjust dosing to avoid increased levels of amitriptyline | Potential for increased risk of amitriptyline adverse effects |
If coadministering initiate amitriptyline at lowest dose. Monitor response and titrate according to efficacy and adverse effects. |

