Ketoconazole
Also sold as: Nizoral
Prescription neededAntifungals
Comes as:CreamShampooTablet
Also sold as: Nizoral
Mostly used on the skin: cream once or twice a day, or shampoo twice a week for 2 to 4 weeks for dandruff. Tablets can damage the liver and are used only if a doctor prescribes them.
Your doctor may give you a different dose. Children's doses depend on weight.
Stop taking it and see a doctor straight away if you notice:
Medicines that can react with this one.
Ketoconazole tablets raise apixaban levels and the risk of bleeding; avoid.
Ketoconazole raises domperidone levels and can cause dangerous heart rhythms; do not combine.
Ketoconazole greatly raises salmeterol and fluticasone levels, risking heart rhythm problems and steroid effects.
Rifampicin lowers ketoconazole levels so it may not work.
Ketoconazole tablets raise rivaroxaban levels and the risk of bleeding; avoid.
Ketoconazole tablets greatly raise simvastatin levels and the risk of severe muscle damage.
Ketoconazole raises budesonide levels and can cause steroid side effects.
Reduced stomach acid lowers absorption of ketoconazole.
Stomach acid reducers lower absorption of ketoconazole tablets.
Ketoconazole raises solifenacin levels; the dose should not exceed 5 mg.
Ketoconazole tablets can raise the effect of warfarin; INR should be checked.