Ketoconazole Home>Pharmacy>Drugs_and_Medications>K>Ketoconazole     Web Pages Ketoconazole a.k.a. Nizoral. Ketoconazole Used to treat fungal infections. (Nizoral) DrugDigest: Ketoconazole Information on dosage, usage, side effects, interactions, and drug comparisons. Nizoral Full prescribing information from RxList.