- Patients cannot receive CYP3A4 inhibiting drugs including antibiotics (clarithromycin, erythromycin, troleandomycin), anti-HIV agents (delaviridine, nelfinavir, amprenavir, ritonavir, indinavir, saquinavir, lopinavir), antifungals (itraconazole, ketoconazole, fluconazole at doses > 200 mg/day, voriconazole), antidepressants (nefazodone, fluovoxamine), calcium channel blockers (verapamil, diltiazem) oramiodarone