Terbinafine tablets
Lamisil
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSLast updated 24 Jan 2025
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Terbinafine is prescribed to treat fungal nail or skin infections.
Take one tablet each day.
The most common side-effects are loss of appetite, indigestion, feeling sick (nausea), diarrhoea, and aches and pains. These are usually mild and don't last long.
At a glance
Terbinafine is an antifungal medicine used to treat fungal infections, including fungal nail and skin infections.
It works by killing the fungus that causes the infection.
Take one tablet daily, with or without food, exactly as your doctor tells you.
Important information about your health and other medicines should be discussed with your doctor before starting terbinafine.
Possible side-effects include nausea, diarrhoea, headache, and skin rash.
Always complete the full course of treatment to prevent the infection from returning.
Seek medical attention immediately if you develop a severe rash with blisters or yellowing of the skin or eyes.
En este artículo:
Video picks for Medicamentos para el tratamiento de infecciones
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About terbinafine
Tipo de medicamento | Un medicamento antifúngico |
Usado para | Infecciones por hongos |
También llamado | Lamisil® |
Disponible como | Comprimidos |
Terbinafine is prescribed to treat fungal infections in adults. It is commonly prescribed for fungal nail infections and is sometimes prescribed for fungal skin infections. It works by killing the fungus causing the infection.
Before taking terbinafine
Volver al contenidoSome medicines are not suitable for people with certain conditions, and sometimes a medicine can only be used if extra care is taken. For these reasons, before you start taking terbinafine it is important that your doctor knows:
Si estás embarazada o amamantando.
If you have a problem with the way your liver works, or if you have a problem with the way your kidneys work.
If you have a skin condition called psoriasis.
If you have been told you have an autoimmune disorder, such as lupus erythematosus.
Si está tomando o usando otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que esté disponible para 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 take terbinafine
Volver al contenidoBefore you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about terbinafine, and will also provide you with a full list of side-effects which you could experience from taking it.
Take the tablets exactly as your doctor tells you to. It is usual to take one 250 mg tablet a day. You can take the tablet either before or after food.
Keep taking a tablet every day until the course is finished; otherwise, your infection may come back. Your course of treatment could last from two weeks to three months, depending upon where your infection is.
Try to take the tablet at the same time of day each day, as this will help you to remember to take your doses regularly.
If you do forget to take a tablet, take it as soon as you remember. If you do not remember until the following day, leave out the forgotten dose from the previous day and take the dose that is due as normal. Do not take two doses on the same day to make up for a missed dose.
Obteniendo el máximo de tu tratamiento
Volver al contenidoIf you buy any medicines 'over the counter', always check with a pharmacist that they are suitable for you to take with your prescribed medicines.
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Can terbinafine 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 the most common ones associated with terbinafine. 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 continue or become troublesome.
Very common terbinafine side-effects (these affect more than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Falta de apetito | Si es problemático, hable con su médico |
Feeling sick (nausea), indigestion, feeling bloated, stomach ache | Mantente en alimentos simples - evita comidas ricas o picantes |
Diarrea | Bebe mucha agua para reponer los líquidos perdidos |
Headache, joint and muscle aches and pains | Drink plenty of water and ask your pharmacist to recommend a suitable painkiller. If the aches continue, let your doctor know |
Skin rash and itching | Si es problemático, hable con su médico |
Importante: if you develop a severe skin rash with blisters, or any yellowing of your skin or the whites of your eyes (jaundice), you should speak with your doctor straightaway. These are rare but possibly serious side-effects of terbinafine.
Si experimenta cualquier otro síntoma que crea que puede deberse a las tabletas, hable con su médico o farmacéutico para obtener más consejos.
How to store terbinafine
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 de inmediato 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.
Si está programado para una operación o tratamiento dental, por favor informe a la persona que realiza el tratamiento qué medicamentos está tomando.
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.
Preguntas frecuentes
What types of fungal infections does terbinafine treat?
Terbinafine is prescribed for fungal infections in adults. It is commonly used for fungal nail infections and can also be prescribed for fungal skin infections.
How does terbinafine work to clear up fungal infections?
Terbinafine works by directly killing the fungus that is causing the infection.
Can I take terbinafine if I have liver or kidney problems?
If you have a problem with your liver or kidneys, it is important to inform your doctor before starting terbinafine. Extra care may be needed in such cases.
What should I do if I forget to take a dose of my terbinafine?
If you forget to take a tablet, take it as soon as you remember. However, if you don't remember until the next day, skip the missed dose from the previous day. Just take your next dose as normal. Do not take two doses on the same day to make up for a forgotten dose.
Are there any serious side-effects I should be aware of when taking terbinafine?
While rare, two serious side-effects to watch out for are a severe skin rash with blisters or any yellowing of your skin or the whites of your eyes (jaundice). If you notice either of these, you should speak with your doctor straightaway.
How long will I need to take terbinafine?
The length of your treatment course can vary depending on where your infection is, but it could range from two weeks to three months.
Is it important to finish the entire course of terbinafine, even if my symptoms improve?
Yes, it is important to keep taking the tablets every day until your course is finished. If you stop early, your infection may return.
Lecturas adicionales y referencias
- Manufacturer's PIL, Lamisil® Tablets 250 mg; Novartis Pharmaceuticals UK Ltd, The electronic Medicines Compendium. Dated September 2020.
- Medicamentos Completos BNF 89ª Edición; Asociación Médica Británica y Sociedad Real de Farmacia de Gran Bretaña, Londres.
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About the authorView full bio

Michael Stewart, MRPharmS
Medicine Leaflet Review Manager – Contractor, Pharmacist
BPharm (Hons), MRPharmS
Michael is a community pharmacist practicing in the Midlands and South Yorkshire with more than 20 years’ experience advising on medicines and medical conditions. He has a strong background in healthcare training, having produced and delivered training courses for pharmacy teams and staff of residential care settings, including nurses. He has also contributed to pharmacy advisory boards for the management of low acuity conditions in the community.
About the reviewer

Sid Dajani
Sultan Dajani qualified at the London School of Pharmacy in 1994 and became the youngest elected member of the Royal Pharmaceutical Society council since its founding in 1842.
Historial del artículo
La información en esta página está escrita y revisada por pares por clínicos calificados.
Next review due: 24 Jan 2028
24 Jan 2025 | Última versión

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