비아그라 기본 사항 설명
More powerful CYP3A4 inhibitors such as ketoconazole or itraconazole might be anticipated to get greater results than found with saquinavir. A commencing dose of twenty five mg of VIAGRA should be deemed in clients having erythromycin or powerful CYP3A4 inhibitors (for example saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINISTRATION,