Shampoo de cetoconazol
Dandrazol, Nizoral
Revisado por Sid DajaniÚltima atualização por Michael Stewart, MRPharmSÚltima atualização 12 Nov 2024
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For dandruff, use the shampoo twice-weekly for 2-4 weeks. To help prevent dandruff from returning, continue to use the shampoo every 1-2 weeks.
For pityriasis versicolor, apply the shampoo directly to the skin patches once each day for up to five days. Leave it on the skin for 3-5 minutes before washing it off.
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About ketoconazole shampoo
Tipo de medicamento | Um medicamento antifúngico |
Usado para | Severe forms of dandruff; pityriasis versicolor |
Também chamado de | Dandrazol®, Nizoral® |
Disponível como | Shampoo |
Ketoconazole shampoo is helpful for persistent or more severe forms of dandruff. It contains an antifungal agent which kills the yeast-like germs (a type of fungus) which cause the flaking of the scalp.
Ketoconazole shampoo is also prescribed for a skin condition called pitiríase versicolor. Pityriasis versicolor is a skin rash which is also caused by a yeast-like germ. Although small numbers of this germ commonly live on the skin and do no harm, some people are prone to it multiplying on their skin more than usual, which leads to small pale or brown patches of skin developing. In some people, hot, sunny or humid weather seems to trigger the germ to multiply on the skin.
Ketoconazole shampoo is available on prescription, and you can also buy some brands without a prescription at pharmacies and other retail outlets. It can be used by adults and children over 12 years of age.
Before using ketoconazole shampoo
Voltar ao conteúdoTo make sure this is the right treatment for you, before you start using ketoconazole shampoo it is important that you speak with a doctor or pharmacist if:
Você já teve uma reação alérgica a um medicamento.
You are pregnant or breastfeeding. This is because, while you are expecting or feeding a baby, you should only use medicines on the recommendation of a doctor.
You are taking any other medicines or using any other medicated skin products. This includes any medicines you are taking which are available to buy without a prescription, as well as herbal and complementary medicines.
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How to use ketoconazole shampoo
Voltar ao conteúdoBefore you use the shampoo, read the manufacturer's printed information leaflet from the pack. It will give you more information about ketoconazole shampoo and will provide you with a full list of the side-effects which you could experience from using it.
For dandruff, use the shampoo twice weekly for 2-4 weeks. Wet your hair well before you apply the shampoo. Apply the same amount of shampoo as you would usually use to wash your hair with. Massage the lather over your scalp and then leave it for about 3-5 minutes before you rinse it off. To help prevent the dandruff from returning, you can continue to use the shampoo once every 1-2 weeks.
For pityriasis versicolor, apply the shampoo to the skin patches once each day, for up to five days. Leave it on the skin for 3-5 minutes and then wash it off. For people who develop the rash after being out in the sun, the shampoo can subsequently be used as a way of preventing the rash from developing when planning to sunbathe. When used like this, it can be used for up to three days, in the same way as before.
Obtendo o máximo do seu tratamento
Voltar ao conteúdoTry not to get any of the shampoo into your eyes but if this happens, rinse it out with water as soon as possible.
If you are using the shampoo for dandruff and your symptoms are showing no signs of getting better after four weeks of using the shampoo, please speak with a doctor or pharmacist for further advice.
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Can ketoconazole shampoo cause problems?
Voltar ao conteúdoAlong with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the ones associated with ketoconazole shampoo. You will find a full list in the manufacturer's information leaflet supplied with your medicine. The unwanted effects often improve as your body adjusts to the new medicine, but speak with your doctor or pharmacist if any of the following continue or become troublesome.
Ketoconazole shampoo side-effects (these affect fewer than 1 in 100 people) | O que posso fazer se passar por isso? |
Mild irritation, dryness, changes to how your hair feels | If it continues or becomes troublesome, speak with a doctor or pharmacist for further advice |
If you experience any other symptoms which you think may be due to the shampoo, speak with your doctor or pharmacist for further advice.
How to store ketoconazole shampoo
Voltar ao conteúdoMantenha todos os medicamentos fora do alcance e da vista das crianças.
Armazene em local fresco e seco, longe de calor e luz diretos.
Informações importantes sobre todos os medicamentos
Voltar ao conteúdoInformações importantes sobre todos os medicamentos
This preparation is for external use only. If you suspect that someone might have swallowed some of it by accident, go to the accident and emergency department of your local hospital. Take the container with you, even if it is empty.
The shampoo is for you. Do not give it to other people even if their condition appears to be the same as yours.
If you are having an operation or dental treatment, please remember to tell the person carrying out the treatment which medicines you are taking/using.
Não guarde medicamentos vencidos ou indesejados. Leve-os à sua farmácia local, que se encarregará de descartá-los para você.
If you have any questions about the treatment, please speak with your pharmacist.
Relatar efeitos colaterais de um medicamento ou vacina
Se você sentir efeitos colaterais, pode relatá-los online através do site Cartão Amarelo.

Inseguro sobre misturar medicamentos?
Verifique possíveis interações entre medicamentos, suplementos e alimentos antes de tomá-los juntos.
Leitura adicional e referências
- Manufacturer's PIL, Nizoral® Antidandruff Shampoo; Thornton and Ross Ltd, The electronic Medicines Compendium. Dated January 2024.
- Medicamentos Completo BNF 89ª Edição; Associação Médica Britânica e Sociedade Real de Farmácia da Grã-Bretanha, Londres.
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Histórico do artigo
As informações nesta página são escritas e revisadas por clínicos qualificados.
Próxima revisão prevista para: 21 Nov 2027
12 Nov 2024 | Última versão

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