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KetoconazoleOver the counter
Pronounced kee-toe-KON-ah-zole
Brand names: Nizoral
Type: Azole antifungal · All Antibiotics & Infection Medicines
What Ketoconazole is used for
- Fungal skin infections (creams and shampoos)
- Dandruff and seborrheic dermatitis (shampoo)
- Tablets are now rarely used because of liver risk
Common side effects
- Skin irritation (creams)
- Itching
- Nausea (tablets)
- Headache (tablets)
Important cautions
- The tablet form can cause serious liver injury and interacts with many medicines, so it is reserved for special situations
- Creams and shampoos have far fewer risks than tablets
How it comes
Cream, shampoo, foam, tablets (rarely used). This guide lists forms only — it never lists strengths or doses.
Toxicity lists: Ketoconazole also appears on Medicines That Can Harm the Liver.
Related medicines — Antibiotics & Infection Medicines
Please note: This page is a patient-education summary, not medical advice, and it deliberately contains no doses. Medicines affect everyone differently — always follow your own prescription and talk to your doctor or pharmacist before starting, stopping or changing any medicine.