About ketoconazole
Topical antifungal medicine
Used for
- Treats dandruff and seborrhoeic dermatitis of the scalp
- Treats pityriasis versicolor, a fungal skin condition
Usual adult dose
Apply to affected scalp or skin, leave for 3–5 minutes, then rinse. Usually twice weekly for 2–4 weeks; schedules vary by condition.
Usual dose in children
For children aged 12 years and older, generally use the adult schedule. Safety and dosing for younger children depend on clinician guidance.
Common side effects
- Scalp irritation, itching, or burning
- Dry or oily hair or scalp
- Changes in hair texture
- Rare allergic skin reaction
Important warnings
- For external use only; avoid contact with eyes and rinse thoroughly if contact occurs.
- Stop use and seek medical help for severe irritation, swelling, or breathing difficulty.
- Do not use on broken or inflamed skin unless advised by a healthcare professional.
- Follow the product leaflet; treatment schedules differ by condition.
Pregnancy
Skin absorption is low, so harm is unlikely; available pregnancy data are limited.
Breastfeeding
Skin absorption is low; avoid applying to the breast or areas that may contact the infant.
Interactions
- Interactions are unlikely with shampoo use because little medicine enters the bloodstream.
- Tell a clinician about other scalp treatments, especially steroid products.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.