Apalutamide Ketoconazole
ModerateKetoconazole can raise the amount of apalutamide (Prostaxen) in your body. This is because ketoconazole slows down the liver enzyme (CYP3A4) that helps break the medicine down. Even so, your doctor does not need to lower your apalutamide dose when you first start taking the two together. If you find the side effects hard to bear while taking both, the doctor may decide to reduce your apalutamide dose. Do not change the dose yourself. Tell your doctor if you notice troublesome side effects.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.