비아그라에 대한 확실한 가이드
More powerful CYP3A4 inhibitors including ketoconazole or itraconazole may very well be anticipated to possess increased effects than found with saquinavir. A starting up dose of 25 mg of VIAGRA must be considered in people using erythromycin or potent CYP3A4 inhibitors (for instance saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINISTR