Fosamprenavir Calcium + Amprenavir Interaction
Unknowninteraction on record
Description
7 DRUG INTERACTIONS Coadministration of fosamprenavir calcium with drugs that induce CYP3A4 may decrease amprenavir (active metabolite) concentrations leading to potential loss of virologic activity. (7, 12.3) Coadministration with drugs that inhibit CYP3A4 may increase amprenavir concentrations. (7, 12.3) Coadministration of fosamprenavir calcium or fosamprenavir calcium and ritonavir may result in clinically significant interactions with drugs metabolized by CYP3A4.
Source: FDA drug label - fosamprenavir calcium