Allergy to class/drug
Concomitant use of carbamazepine or CYP3A4 substrates, ritonavir, ergots, barbiturates, rifampin, sirolimus, or St. John's Wort
Voriconazole
Fluconazole
Amphotericin B
Miconazole
Micafungin
Terbinafine
Itraconazole
Caspofungin