Baclofeno para espasmos musculares crónicos
Lyflex, Lioresal
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSLast updated 7 Oct 2022
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When you start this treatment, your doctor will give you a small dose and then gradually increase it. This is to reduce side-effects such as drowsiness.
Take baclofen with a meal or a snack, and try not to miss any doses.
The most common side-effects are feeling sleepy and problems with mobility.
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About baclofen
Tipo de medicamento | Skeletal muscle relaxant |
Usado para | To relieve muscle spasms |
También llamado | Lyflex®; Lioresal® |
Disponible como | Tabletas, líquido oral e inyección |
Long-term (chronic) muscle stiffness can occur in esclerosis múltiple and in conditions where there has been damage to nerves that supply muscles. In these conditions, the muscles shorten (contract) tightly, and can then become stiff and harder to use. This is called muscle spasticity.
Baclofen works by relaxing the muscles, which reduces pain and discomfort.
Before taking baclofen
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 baclofen it is important that your doctor or pharmacist knows:
Si estás embarazada, intentando tener un bebé o amamantando.
Si alguna vez has tenido una úlcera estomacal.
If you have kidney or liver problems, or an 'overactive' bladder.
If you have ever had a accidente cerebrovascular, or if the blood vessels to your brain are narrowed by cerebrovascular disease.
If you have presión arterial alta (hipertensión).
If you have epilepsia, enfermedad de Parkinson o diabetes.
If you have any mental health problems.
Si tienes problemas para respirar.
If you have ever had problems with drug or alcohol misuse.
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 baclofen
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 baclofen and a full list of side-effects which you may experience from taking it.
When starting this treatment, your doctor will give you a small dose (usually half a tablet three times daily) and then gradually increase your dose every three days or so. This allows your doctor to make sure that you have the dose that helps your condition and avoids any unwanted symptoms.
Take the tablets exactly as your doctor tells you to. Your dose will be on the label of the pack to remind you.
When baclofen is prescribed for a child, it is likely that a liquid medicine will be supplied. Check the directions on the label carefully, as the dose will depend upon their body weight.
Take baclofen with a snack or just after eating a meal.
Try to take your doses at the same times of day each day, as this will help you to remember to take them. If you do forget to take a dose, skip the missed dose but remember to take your next dose when it is due. Do not take two doses together to make up for a forgotten dose.
Obteniendo el máximo de tu tratamiento
Volver al contenidoIntenta mantener tus citas regulares con tu médico. Esto es para que tu médico pueda verificar tu progreso.
Baclofen may cause drowsiness and eyesight problems. If this happens, do not drive and do not use tools or machines until you feel better.
If your muscle spasms increase or if you have difficulty doing things because you feel your muscles have become weak, let your doctor know about this, as your dose may need adjusting.
It is recommended that you do not drink alcohol while you are on baclofen. This is because it increases the chance that you will experience side-effects such as feeling sleepy or dizzy.
Treatment with baclofen is usually long-term, so keep taking these tablets unless your doctor tells you otherwise. Suddenly stopping treatment can cause problems, so your doctor is likely to want you to reduce your dose gradually if this is necessary.
Si vas a someterte a una operación o tratamiento dental, informa a la persona que realiza el tratamiento sobre los medicamentos que estás tomando.
Si compras algún medicamento, consulta con un farmacéutico que sea seguro tomarlo junto con tus otros medicamentos.
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Can baclofen 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 baclofen. 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.
Common baclofen side-effects | ¿Qué puedo hacer si experimento esto? |
Feeling sleepy, tired, dizzy or weak | Si esto sucede, no conduzcas y no uses herramientas ni máquinas |
Feeling sick (nausea), upset stomach or loose, watery stools (diarrhoea) | Drink plenty of water and stick to simple foods - avoid rich or spicy meals |
Dolor de cabeza | Bebe mucha agua y pide a un farmacéutico que te recomiende un analgésico adecuado. Si los dolores de cabeza continúan, informa a tu médico |
Boca seca | Intenta masticar chicle sin azúcar o chupar caramelos sin azúcar |
Mobility problems, eyesight problems, breathing difficulties, aching muscles, sleeping difficulties, mood changes, confusion, needing to pass urine more often, feeling shaky or faint, increased sweating, and rash | If any of these become troublesome, discuss them with your doctor |
Si experimenta otros síntomas que cree que pueden deberse a este medicamento, hable con su médico o farmacéutico.
How to store baclofen
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, Lioresal® Tablets 10 mg; Novartis Pharmaceuticals UK Ltd, The electronic Medicines Compendium. Dated February 2022.
- Manufacturer's PIL, Lioresal® Liquid 5 mg/5 ml; Novartis Pharmaceuticals UK Ltd, The electronic Medicines Compendium. Dated September 2021.
- 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.
Next review due: 5 Apr 2027
7 Oct 2022 | Última versión

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