Jan 28, 2026
Which CYP3A4 inhibitors require dose adjustment or avoidance of specific PDE5 inhibitors?
Potent and moderate —including azole antifungals (ketoconazole, itraconazole), macrolide antibiotics (erythromycin, clarithromycin), (ritonavir, saquinavir, amprenavir, fosamprenavir and others), cert...