Much better CYP3A4 inhibitors including ketoconazole or itraconazole might be envisioned to possess larger results than noticed with saquinavir. A beginning dose of 25 mg of VIAGRA really should be thought of in patients getting erythromycin or sturdy CYP3A4 inhibitors (such as saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINISTRATION,

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