Antralina para la psoriasis
Zithranol
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 27 de febrero de 2023
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Apply anthralin once a day only. Wash it off after it has been in contact with your skin for the required time.
Recuerda lavarte bien las manos después de usarlo. Esto ayudará a evitar que se transfiera accidentalmente a otras áreas de tu piel.
Anthralin commonly produces a feeling of warmth on your skin. If burning or soreness occurs, this can mean that the strength is too high for you or that it has been left on for too long.
Anthralin can stain your skin, hair and clothing.
De un vistazo
Anthralin is a prescribed medicine to treat chronic plaque psoriasis.
It is available as a cream or shampoo and slows down skin cell production.
Apply a thin layer to affected areas for a short time, then wash it off.
Avoid applying it to healthy skin, your face, or skin creases.
Anthralin can cause skin irritation and may stain skin, hair, and clothing.
If irritation becomes severe or continues, seek advice from your doctor or pharmacist.
En este artículo:
Selecciones de videos para Tratamientos para afecciones de la piel
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About anthralin
Usado para | Psoriasis en placas crónica |
También llamado | Zithranol® |
Disponible como | Cream and shampoo |
Anthralin (also known as dithranol) is used to treat chronic plaque psoriasis - this is the most common type of psoriasis. It is a condition where red scaly patches called plaques develop on your skin. The most common areas affected are over your elbows and knees, the scalp, and the lower part of your back. The patches may vary in size from time to time, and can be itchy. Treatment for psoriasis aims to clear the plaques as much as possible.
Psoriasis is caused by cells in the outer layer of your skin multiplying faster than normal. This causes the older and dead skin cells to build up on the surface of your skin, causing the scaly patches. Anthralin helps to control psoriasis by slowing down the production of new skin cells.
Anthralin is only available on prescription from your physician. Some anthralin preparations also contain other ingredients, such as salicylic acid, zinc and coal tar.
Before using anthralin
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 using anthralin it is important that your physician knows:
If 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 physician.
Si alguna de las áreas de psoriasis está dolorida, inflamada o tiene ampollas llenas de pus. Esto se debe a que formas más severas de psoriasis como estas deben ser tratadas por un especialista en piel.
Si está usando otros preparados para la piel. Esto incluye cualquier producto que se pueda comprar sin receta, así como medicamentos herbales y complementarios.
Si alguna vez has tenido una reacción alérgica a un medicamento.
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How to apply anthralin
Volver al contenidoBefore you start this treatment, read the manufacturer's printed information leaflet from inside your pack. The leaflet will give you more information about applying anthralin and a full list of the side-effects which you may experience from using it.
There are several strengths of anthralin preparations. The aim is to find the strength which gives you the most benefit, but which doesn't lead to irritation/burning. Start by applying a low-strength preparation (such as 0.1% anthralin) for a week, and then increase the strength gradually over the next few weeks until you find the strength that suits you best. Then continue to use this strength. It should be possible to clear the patches within about 4-6 weeks of treatment.
Apply a thin layer of anthralin and rub it into your skin gently. Apply it to the affected areas of your skin only - it is important that you try to avoid getting it on any healthy areas of your skin. Use it once a day only - you can choose a time of day that suits you best.
It is usual to use anthralin for a 'short contact' time. This means leaving it on your skin for no more than an hour, and then washing it off in a shower or bath. More intensive treatment with anthralin involves leaving it on overnight under a dressing. This is usually only done under the supervision of a dermatologist.
Remember to wash your hands well after applying anthralin. This will help to prevent it accidentally getting on healthy areas of your skin. Some people choose to apply it using gloves to protect their hands.
Anthralin is not suitable for use on your face, or in the creases of your skin (flexures) such as your armpits, groin, or under breasts. Do not apply it to these areas.
Obteniendo el máximo de tu tratamiento
Volver al contenidoYou will be given a low-strength preparation to start with and then a higher-strength preparation if you are not having any problems. Although it is normal to feel a sensation of warmth when anthralin is applied, if you begin to feel a burning sensation this can mean that it has been left on too long or the strength is too high for you. Let your physician or pharmacist know if this happens.
Si estás usando un preparado en tu cuero cabelludo, ten cuidado de no que caiga en tus ojos al lavarlo. Si esto sucede, enjuágalos con agua tibia de inmediato.
Try to keep any regular appointments with your physician. This is so they can check on your progress.
Anthralin can stain your skin, hair and clothing. You should try to avoid any contact between the preparation and your clothes and furniture, as this could cause permanent staining. It can also stain the bathtub or shower stall, so it is best to clean these straightaway after use. Any skin staining will disappear soon after the treatment is finished.
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Can anthralin cause problems?
Volver al contenidoAnthralin can cause skin irritation, such as redness, itching and a burning sensation. If this continues or if it becomes severe, stop using anthralin and ask your physician or pharmacist for advice.
Anthralin can stain your skin, hair and clothing. Skin staining will disappear within a few days after you stop using the product. Stained hair will grow out. Wear old clothing and use old bed linen when using anthralin.
Si experimenta otros síntomas que cree que pueden deberse a este medicamento, hable con su médico o farmacéutico.
How to store anthralin
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
Si compras algún medicamento, consulta con un farmacéutico que sea seguro tomarlo junto con tus otros medicamentos.
Si vas a someterte a una operación o tratamiento dental, informa a la persona que realiza el tratamiento sobre los medicamentos que estás tomando.
This preparation is for external use only. If someone swallows some of it by accident, go to the emergency room of your local hospital. Take the container with you, even if it is empty.
Este medicamento es para ti. Nunca lo des a otras personas, incluso si su condición parece ser la misma que la tuya.
No conserve medicamentos caducados o no deseados. Pregunte a su farmacéutico sobre las formas de desechar los medicamentos de manera segura en su área local.
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 Sitio web de Yellow Card.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
What is chronic plaque psoriasis and how does anthralin help?
Chronic plaque psoriasis is the most common type of psoriasis, characterised by red, scaly patches called plaques on the skin. These patches often appear on elbows, knees, the scalp, and the lower back, and can be itchy. Psoriasis is caused by skin cells multiplying too quickly. Anthralin works by slowing down this rapid production of new skin cells, which helps to clear the plaques.
Can I use anthralin if I am pregnant or breastfeeding?
If you are pregnant or breastfeeding, you should only use anthralin on the recommendation of your physician. It is important to inform your doctor about your pregnancy or if you are nursing a baby before starting treatment with anthralin.
How long does it usually take for anthralin to clear psoriasis patches?
With anthralin treatment, it should be possible to clear the psoriasis patches within approximately 4-6 weeks after you have found the strength that best suits you.
What should I do if anthralin causes a burning sensation on my skin?
While a sensation of warmth is normal when applying anthralin, a burning sensation can indicate that it has been left on too long or that the strength is too high for you. If this happens, you should let your physician or pharmacist know.
Will anthralin stain my skin, hair, or clothes permanently?
Anthralin can stain your skin, hair, and clothing. Any staining on your skin will disappear soon after treatment is finished, typically within a few days after you stop using the product. Stained hair will eventually grow out. However, permanent staining can occur on clothing and furniture, so you should try to avoid contact with these items. It can also stain bathtubs or shower stalls, so it's best to clean them immediately after use.
Can I use other skin preparations at the same time as anthralin?
Before you start using anthralin, it's important to inform your physician if you are using any other skin preparations. This includes any products available without a prescription, as well as herbal and complementary medicines.
How should I store anthralin to ensure it remains effective and safe?
Anthralin should be stored in a cool, dry place, away from direct heat and light. Always make sure to keep all medicines, including anthralin, out of the reach and sight of children.
Lecturas adicionales y referencias
- Manufacturer's Drug Label, Zithranol-RR® Cream; Elorac Inc. DailyMed, National Institutes of Health, U.S National Library of Medicine. Dated January 2010.
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Sobre el autorVer biografía completa

Michael Stewart, MRPharmS
Gerente de Revisión de Folletos de Medicamentos – Contratista, Farmacéutico
BPharm (Hons), MRPharmS
Michael es un farmacéutico comunitario que ejerce en Midlands y South Yorkshire con más de 20 años de experiencia asesorando sobre medicamentos y condiciones médicas. Tiene una sólida formación en capacitación en atención médica, habiendo producido e impartido cursos de formación para equipos de farmacia y personal de entornos de atención residencial, incluidas enfermeras. También ha contribuido a juntas asesoras de farmacia para la gestión de condiciones de baja gravedad en la comunidad.
Acerca del revisor

Sid Dajani
Sultan Dajani se graduó en la Escuela de Farmacia de Londres en 1994 y se convirtió en el miembro más joven elegido para el consejo de la Sociedad Real de Farmacia desde su fundación en 1842.
Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Siguiente revisión prevista: 26 de agosto de 2027
27 de febrero de 2023 | Última versión
1 Mar 2017 | Publicado originalmente
Escrito por:
Michael Stewart, MRPharmS

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