
Fosamprenavir (FPV), sold under the brand names Lexiva and Telzir, is a medication used to treat HIV/AIDS. It is a prodrug of the protease inhibitor and antiretroviral drug amprenavir. It is marketed by ViiV Healthcare as the calcium salt.
{{Drugbox | Verifiedfields = changed | Watchedfields = changed | verifiedrevid = 461113196 | image = Fosamprenavir structure.svg | image_class = skin-invert-image | alt = | image2 = Fosamprenavir ball-and-stick.png | image_class2 = bg-transparent | alt2 = | USAN = Fosamprenavir calcium
| tradename = Lexiva, Telzir | Drugs.com = | MedlinePlus = a604012 | pregnancy_AU = B3 | routes_of_administration = By mouth | ATC_prefix = J05 | ATC_suffix = AE07
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