Saquinavir Home>Pharmacy>Drugs_and_Medications>S>Saquinavir     Web Pages Fortovase Information from HIVDent. Invirase Saquinavir mesylate. Product information for US residents. Saquinavir (Invirase) DrugDigest: Saquinavir ( Invirase ) Information on dosage, usage, side effects, interactions, and drug comparisons, including generics when available. Fortovase Full prescribing information from RxList. Saquinavir (Fortovase) by Roche Laboratories, Inc. A protease inhibitor soft gel cap used to treat HIV. Site offers press releases, complete product information, and sections for patients and healthcare professionals.