About ketoconazole
Imidazole antifungal
Used for
- Treats dandruff and seborrhoeic dermatitis of the scalp
- Treats scalp fungal infection caused by Malassezia yeast
Usual adult dose
Apply to wet scalp, leave for 3–5 minutes, then rinse. Use twice weekly for 2–4 weeks; maintenance may be once weekly or every other week.
Usual dose in children
For children aged 12 years and older, usual use is the adult regimen. Safety and dosing below age 12 are not established.
Common side effects
- Scalp irritation, itching, or burning
- Dry or oily hair or scalp
- Changes in hair texture or hair loss
- Rare allergic skin reaction
Important warnings
- For external use only; avoid eyes and broken skin.
- Stop use and seek medical help for severe allergy or worsening irritation.
- May discolor chemically treated or grey hair.
- Follow the product leaflet; schedules can vary by condition.
Pregnancy
Scalp absorption is low; topical use is generally considered low risk, but pregnancy data are limited.
Breastfeeding
Scalp use is unlikely to affect a breastfed infant; prevent infant contact with treated skin.
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 It may be incomplete or out of date.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.