비아그라에 대해 알려지지 않은 사실
Stronger CYP3A4 inhibitors for example ketoconazole or itraconazole might be predicted to possess larger effects than witnessed with saquinavir. A starting dose of 25 mg of VIAGRA must be regarded in people using erythromycin or sturdy CYP3A4 inhibitors (like saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINISTRATION, Medical PHARMACOLO