Griseofulvina para infecciones por hongos
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSLast updated 13 Jan 2023
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Griseofulvin is prescribed to treat fungal infections.
A course of treatment may last from a few weeks to several months.
Griseofulvin may harm an unborn child - you must avoid getting pregnant or fathering a child.
The most common side-effects are feeling sick (nausea) and diarrhoea.
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About griseofulvin
Tipo de medicamento | Antifungal |
Usado para | Infecciones por hongos |
Disponible como | Tabletsand oral liquid medicine |
Griseofulvin is a medicine which is used to treat fungal infections. It is mainly prescribed for infections occurring on the skin or scalp. It is prescribed in particular for an infection called scalp ringworm (also called tinea capitis). It is also used to treat some infecciones de uñas, especially when other more frequently prescribed treatments are not suitable for some reason.
Before taking griseofulvin
Volver al contenidoSome medicines are not suitable for people with certain conditions, and sometimes a medicine may only be used if extra care is taken. For these reasons, before you start taking griseofulvin it is important that your doctor knows:
Si estás embarazada, intentando concebir o amamantando.
Si tienes problemas con el funcionamiento de tu hígado.
If you have an inflammatory condition called systemic lupus erythematosus (SLE). Griseofulvin can make this condition worse.
Si tienes un trastorno sanguíneo hereditario raro llamado porfiria.
Si alguna vez has tenido una reacción alérgica a un medicamento.
If you, or your partner, are using hormonal methods of contraception ('the pill').
Si está tomando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que esté disponible para comprar sin receta, así como medicamentos herbales y complementarios.
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How to take griseofulvin
Volver al contenidoBefore you start this treatment, read the manufacturer's printed information leaflet from inside your pack. The manufacturer's leaflet will give you more information about griseofulvin and a full list of side-effects which you may experience from taking it.
Take griseofulvin exactly as your doctor tells you to. The usual dose for adults is 500-1000 mg each day. This can often be taken as a single daily dose, although your doctor may recommend that you take it divided into smaller doses spaced throughout the day. Doses for children depend upon the weight of the child. Children may be prescribed low-strength (125 mg) tablets to take, or oral liquid medicine.
Swallow the tablets whole with a drink of water. It is important that you take your doses of griseofulvin after a meal or snack. This is because the presence of food in your stomach helps your body to absorb the medicine properly.
If you forget to take a dose, take it as soon as you remember, unless it is nearly time for your next dose, in which case leave out the forgotten dose. Do not take two doses together to make up for a missed one.
Obteniendo el máximo de tu tratamiento
Volver al contenidoTry to keep your regular appointments with your doctor. This is so your doctor can check on your progress. Treatment with griseofulvin may last from a few weeks to several months. It is important that you continue to take it until the infection has completely cleared, and then for a further two weeks afterwards.
If you drink alcohol, ask your doctor for advice about drinking whilst taking griseofulvin. Griseofulvin can increase the effects of alcohol and may not be recommended for you.
You must avoid getting pregnant or fathering a child while you are taking griseofulvin. In addition, women should avoid getting pregnant for at least a month after the treatment has finished, and men should avoid fathering a child for at least six months afterwards.
Make sure you discuss with your doctor which types of contraception are suitable for you and your partner. This is particularly important if you normally rely on hormonal contraception ('the pill'), as griseofulvin reduces its effectiveness.
If you buy or take any over-the-counter medicines, check with your doctor or a pharmacist that they are suitable for you to take with griseofulvin.
A few people taking griseofulvin find that their skin becomes more sensitive to sunlight. Protect your skin from bright sunlight until you know how your skin reacts, and do not use sunbeds.
If you are having an operation or dental treatment, tell the person carrying out the treatment that you are taking griseofulvin.
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Can griseofulvin cause problems?
Volver al contenidoAlong with their useful effects, most medicines can cause unwanted side-effects although not everyone experiences them. The table below contains some of the most common ones associated with griseofulvin. 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.
Griseofulvin side-effects | ¿Qué puedo hacer si experimento esto? |
Sentirse mal (náuseas) o estar enfermo (vómitos), diarrea | Eat simple meals - avoid rich or spicy food. Drink plenty of water to replace lost fluid |
Dolor de cabeza | Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si los dolores de cabeza continúan, consulta a tu médico |
Sintiéndose somnoliento o adormilado | No conduzca ni utilice herramientas o máquinas hasta que se sienta mejor. No consuma alcohol |
Si experimenta otros síntomas que cree que pueden deberse a este medicamento, hable con su médico o farmacéutico.
How to store griseofulvin
Volver al contenidoMantenga todos los medicamentos fuera del alcance y la vista de los niños.
Almacenar en un lugar fresco y seco, lejos del calor y la luz directos.
Información importante sobre todos los medicamentos
Volver al contenidoInformación importante sobre todos los medicamentos
Nunca tome más de la dosis prescrita. Si sospecha que usted u otra persona podría haber tomado una sobredosis de este medicamento, acuda al departamento de accidentes y emergencias de su hospital local. Lleve el envase con usted, incluso si está vacío.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
No guardes medicamentos caducados o no deseados. Llévalos a tu farmacia local, que se encargará de desecharlos por ti.
Si tienes alguna pregunta sobre este medicamento, consulta a tu farmacéutico.
Informar efectos secundarios de un medicamento o vacuna
Si experimenta efectos secundarios, puede reportarlos en línea a través de Yellow Card website.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Lecturas adicionales y referencias
- Manufacturer's PIL, Griseofulvin 500 mg Tablets; Chemidex Pharma Ltd, The electronic Medicines Compendium. Dated September 2019.
- Medicamentos Completos BNF 89ª Edición; Asociación Médica Británica y Sociedad Real de Farmacia de Gran Bretaña, Londres.
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Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Siguiente revisión prevista: 12 de julio de 2027
13 Jan 2023 | Última versión
15 Oct 2013 | Publicado originalmente
Escrito por:
Helen Allen, MPharm

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