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Dantroleno para el espasmo muscular crónico

Dantrium

When you first start taking dantrolene, your doctor will give you a small dose (one capsule a day). Your dose will then be increased slowly at weekly intervals.

Dantrolene can make you feel sleepy or dizzy. It can slow your reactions, so please take care if you are using tools or machines, or if you drive.

Dantrolene can cause liver damage in a few people. Signs of this are loss of appetite, tiredness, itching, jaundice, and sickness. Let your doctor know straightaway if you develop any of these, so that it can be investigated.

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About dantrolene

Tipo de medicamento

Un relajante muscular

Utilizado para

Espasmos musculares y espasticidad

También llamado

Dantrium®

Disponible como

Cápsulas

Dantrolene belongs to a group of medicines called muscle relaxants. Muscle relaxants are medicines that are used to prevent or reduce muscle spasms and spasticity. Muscle spasms occur when there is an uncontrolled (involuntary) contraction of a group of muscles. This often causes pain and discomfort. Spasticity occurs when the muscles contract tightly and then become stiff and harder to use.

Dantrolene is used to relieve muscle spasms and spasticity which result from long-term conditions affecting the nervous system, such as multiple sclerosis, motor neurone disease or cerebral palsy, or following long-term injuries to the head or back. It works by causing the muscles to relax and this reduces pain and discomfort.

Before taking dantrolene

Some 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 dantrolene it is important that your doctor knows:

  • If you have any problems with the way your liver works, or if you have a heart condition, or if you have any difficulties with your breathing.

  • Si está embarazada o en periodo de lactancia.

  • Si toma o utiliza otros medicamentos. Esto incluye cualquier medicamento que esté tomando y que pueda adquirirse sin receta, así como medicamentos a base de plantas y complementarios.

  • Si alguna vez ha tenido una reacción alérgica a un medicamento.

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How to take dantrolene

  • Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about dantrolene and will provide you with a full list of the side-effects which you may experience from taking it.

  • When starting the treatment, your doctor will give you a small dose (usually one 25 mg capsule daily) and will then gradually increase your dose at weekly intervals. This allows your doctor to make sure that you have the dose that helps your condition but avoids any unwanted symptoms.

  • Swallow the capsule with a drink of water. You can take dantrolene either before or after a meal.

  • Continue to take dantrolene exactly as your doctor tells you to. Your dose will be printed on the label of the pack to remind you about what your doctor said to you. Once you are established on a regular dose of dantrolene, try to take your doses at the same times of day each day, as this will help you to remember to take them.

  • Si olvida tomar una dosis, tómela cuando se acuerde, a menos que la siguiente dosis esté a punto de llegar. Si ya es casi la hora de la siguiente dosis, tómela cuando le corresponda, pero omita la dosis olvidada. No tome dos dosis juntas para compensar la dosis olvidada.

Aproveche al máximo su tratamiento

  • Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress, as it may take a few weeks before you begin to feel the benefit from dantrolene.

  • If after six weeks or so you don't feel you are improving, please speak with your doctor about this, as your treatment could need reviewing.

  • Dantrolene can cause drowsiness and may affect your reactions. Be careful this does not put you at risk if you are using any tools or machines, or if you drive.

  • It is recommended that you do not drink alcohol while you are on dantrolene. This is because the risk of side-effects, such as feeling sleepy and dizzy, is increased.

  • Treatment with dantrolene is usually long-term unless you experience an adverse event. Continue to take the capsules unless your doctor tells you otherwise. 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.

  • Si va a someterse a una operación o a un tratamiento dental, comunique a la persona que lleve a cabo el tratamiento qué medicamentos está tomando.

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Can dantrolene cause problems?

Along 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 dantrolene. 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 dantrolene side-effects (these affect fewer than 1 in 10 people)

¿Qué puedo hacer si me ocurre esto?

Feeling dizzy, sleepy, or very tired

Si esto ocurre, no conduzca ni utilice herramientas o máquinas. No bebas alcohol

Diarrea

Drink plenty of water to replace the lost fluids. If the diarrhoea is severe, speak with your doctor about this as you may need to stop taking dantrolene for a while

Sensación de malestar (náuseas) o náuseas (vómitos), dolor de barriga (abdominal)

Coma comidas sencillas - evite los alimentos ricos o picantes

Dolor de cabeza

Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si los dolores de cabeza persisten, informe a su médico.

Loss of appetite, skin rash or acne, speech or sight difficulties, high temperature (fever), chills, difficulties breathing, fits, and inflammation of the lining around the heart (sometimes with fluid in the lungs)

If you are concerned about any of these, speak with your doctor for advice

Importante: su médico discutirá con usted la posibilidad de que su medicamento pueda dañar su hígado. Si experimenta alguno de los siguientes síntomas, debe comunicárselo inmediatamente a su médico para que pueda investigarlo:

  • Pérdida de apetito

  • Cansancio extremo

  • Orina oscura

  • Picor

  • Coloración amarillenta de la piel o del blanco de los ojos (ictericia).

  • Sentirse mal constantemente (náuseas) o estar enfermo (vómitos)

  • Dolor de barriga (abdomen)

Estos son signos de que su hígado podría estar dañado y su médico querrá que se haga un análisis de sangre para comprobarlo.

Si experimenta cualquier otro síntoma que crea que puede deberse a este medicamento, coméntelo con su médico o farmacéutico.

How to store dantrolene

  • Mantenga todos los medicamentos fuera del alcance y de 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

Información importante sobre todos los medicamentos

No tome nunca más de la dosis prescrita. Si sospecha que usted u otra persona ha tomado una sobredosis de este medicamento, acuda al servicio de urgencias de su hospital. Llévese el envase, aunque esté vacío.

Este medicamento es para usted. No se lo dé a otras personas aunque su enfermedad parezca ser la misma que la suya.

Si compra algún medicamento, compruebe con un farmacéutico que es adecuado para tomarlo con sus otros medicamentos.

No guarde medicamentos caducados o que no desee. Llévelos a su farmacia local, que se encargará de eliminarlos por usted.

Si tiene cualquier duda sobre este medicamento pregunte a su farmacéutico.

Informar de los efectos secundarios de un medicamento o vacuna

Si experimenta efectos secundarios, puede notificarlos en línea a través del sitio web de la Tarjeta Amarilla.

Lecturas complementarias y referencias

Historia del artículo

La información de esta página ha sido redactada y revisada por médicos cualificados.

  • Fecha prevista para la próxima revisión: 23 jun 2027
  • 21 Jun 2024 | Última versión

    Última actualización

    Michael Stewart, MRPharmS

    Revisado por expertos

    Sid Dajani
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