Drug Interaction Report

Talk to your doctor before using bosentan together with fosamprenavir. Combining these medications may increase the blood levels of bosentan to dangerous levels, increasing the risk of side effects. You may need a dose adjustment if you have been receiving bosentan and are starting treatment with fosamprenavir, or vice versa. In addition, you may need more frequent monitoring by your doctor to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Fosamprenavir suspension should be administered on an empty stomach in adults, but with food in pediatric patients to help the taste and compliance. If vomiting occurs within 30 minutes after dosing the suspension, the dose should be repeated. Fosamprenavir tablets may be taken with or without food. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.