Antifungal
Ketoconazole
Shampoo or cream
Quick Summary
Ketoconazole reduces yeast on the skin and scalp.
Dandruff and seborrhoeic dermatitis
Fungal skin infections
Medical Uses
Dandruff and seborrhoeic dermatitis: Shampoo.
Fungal skin infections: Cream.
How it's taken
Shampoo: lather, leave for a few minutes, then rinse; use as directed.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Skin irritation
Sometimes.
Dry hair
Sometimes.
Itching
Rarely.
Interactions
Few interactions
When used on skin.
Critical Warnings
Tablets
Ketoconazole tablets are rarely used now due to liver risk.
Eyes
Avoid contact with eyes.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Ketoconazole: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Ketoconazole: an antifungal medicine used to treat skin infections(opens in a new tab) · NHS