비아그라에 대해 알려지지 않은 사실
More robust CYP3A4 inhibitors including ketoconazole or itraconazole can be expected to have increased outcomes than seen with saquinavir. A starting dose of twenty five mg of VIAGRA must be deemed in people using erythromycin or potent CYP3A4 inhibitors (like saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINISTRATION, Medical PHARMACOL