Potentiated by CYP3A4 inhibitors (eg, ritonavir, ritonavir/darunavir, ritonavir/fosamprenavir); adjust ketoconazole dose as needed. Separate dosing of acid neutralizing drugs (eg, aluminum ...

Ketoconazole is an anti-fungal agent, prescribed for jock itch, athlete's foot and other infections. The serum concentration of the active metabolites of Trastuzumab emtansine can be increased ...