Ketoconazole Oral tablet 200mg Drug Medication Dosage information. Learn about the reported side effects, related class drugs, and how these medications will affect your daily lifestyle. Visit cvs.com for more details. Ketoconazole oral tablet is only available as a generic drug. Ketoconazole is used to treat fungal and yeast infections on your skin, hair, nails, and in your blood. This drug is available as an. Ketoconazole is used to treat fungal infections when other medications are not available or cannot be tolerated. Ketoconazole should not be used to treat fungal meningitis (infection of the membranes surrounding the brain and spinal cord caused by a fungus) or fungal nail infections. Nizoral ® is a synthetic broad-spectrum antifungal agent available in scored white tablets, each containing 200 mg ketoconazole base for oral administration. Uses Of Ketoconazole For Dogs (Picture Credit: Getty Images) Ketoconazole is used to treat both external and internal fungal infections in dogs. Infections of the lymph nodes, skin, nails. NIZORAL® (ketoconazole) Tablets are indicated for the treatment of the following systemic fungal infections in patients who have failed or who are intolerant to other therapies: blastomycosis, coccidioidomycosis, histoplasmosis, chromomycosis, and paracoccidioidomycosis. Uses. See also Warning section. Ketoconazole is used to treat certain serious fungal infections in the body. Ketoconazole belongs to the class of drugs called azole antifungals. BOXED WARNING. WARNING: Because Ketoconazole Tablets have been associated with serious adverse reactions (see WARNINGS section), Ketoconazole Tablets are not indicated for treatment of onychomycosis, cutaneous dermatophyte infections, or Candida infections. Ketoconazole (Nizoral, Extina, Xolegel, Kuric) is an anti-fungal medication prescribed to treat fungal infections such as thrush, ringworm, jock itch, athlete's foot, dandruff, tinea versicolor, blastomycosis, histoplasmosis, and coccidiomycosis. Side effects and drug interactions should be reviewed prior to taking this medication. Ketoconazole is an antifungal medication used to treat a number of fungal infections. Applied to the skin it is used for fungal skin infections such as tinea, cutaneous candidiasis, pityriasis versicolor, dandruff, and seborrhoeic dermatitis..