More powerful CYP3A4 inhibitors for instance ketoconazole or itraconazole may very well be predicted to acquire larger effects than seen with saquinavir. A starting up dose of 25 mg of VIAGRA really should be deemed in sufferers using erythromycin or powerful CYP3A4 inhibitors (such as saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINIS

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