Dronedarone tablets
Multaq
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSLast updated 19 Sept 2023
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Dronedarone is given to maintain a regular heart rhythm after cardioversion. Treatment with it will be started by a heart specialist.
The usual dose is one tablet twice daily. Take the tablets during breakfast and your evening meal.
Dronedarone can cause a number of side-effects which your doctor will discuss with you before you start treatment. If you develop any signs of liver damage or heart failure, you must let your doctor know straightaway.
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About dronedarone
Tipo de medicamento | An anti-arrhythmic medicine |
Usado para | Atrial fibrillation (irregular heartbeats) |
También llamado | Multaq® |
Disponible como | Comprimidos |
Dronedarone is prescribed for people with an irregular heart rhythm called atrial fibrillation (AF). AF happens when the normal controlling timer in the heart (that causes it to beat regularly) is overridden. This causes parts of the heart to beat very rapidly, and other parts to beat haphazardly. A treatment called cardioversion is a way of converting the irregular rhythm back to a normal regular rhythm. Dronedarone is prescribed to maintain the regular heart rhythm after cardioversion. It will be prescribed by a specialist doctor.
Before taking dronedarone
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 dronedarone it is important that your doctor knows:
Si estás embarazada, intentando concebir o amamantando.
Si tiene algún problema con el funcionamiento de su hígado o de sus riñones.
If you have any other heart conditions.
If you have ever had an allergic reaction to a medicine. It is particularly important that you tell your doctor if you have taken a medicine called amiodarone and had problems with your breathing as a result. Also let your doctor know if you are taking anticoagulant medicines like apixaban or rivaroxaban.
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 dronedarone tablets
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 dronedarone and a full list of side-effects which you may experience from taking it.
Take dronedarone exactly as your doctor tells you to. It is usually taken twice daily, the first dose in the morning during breakfast and the second dose during the evening meal. Swallow the tablets with a drink of water.
If you forget to take a dose, take it (with something to eat) as soon as you remember. If when you remember, it is nearly time for your next dose then leave out the missed dose and 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 contenidoTry to keep your regular appointments with your doctor. This is so your doctor can check your heart rhythm and monitor your progress. Your doctor will also want to do some blood tests while you are on dronedarone to check your liver function.
Do not drink grapefruit juice while you are on dronedarone. This is because a chemical in grapefruit juice increases the amount of dronedarone in your bloodstream and increases the risk of side-effects.
Treatment with dronedarone can be long-term. You should continue to take the tablets unless you are advised otherwise.
If you are having an operation or dental treatment, tell the person carrying out the treatment that you are taking dronedarone.
If you buy any medicines, always check with a pharmacist that they are suitable to take with dronedarone. This is because a number of medicines can interfere with dronedarone.
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Can dronedarone tablets 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 dronedarone. 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 dronedarone side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Sensación de malestar (náuseas), indigestión, dolor de estómago (abdominal) | Eat simple meals - avoid rich or spicy food |
Diarrea | Bebe mucha agua para reponer los líquidos perdidos |
Sensación de cansancio | Do not drive and do not use tools or machines until you feel more awake |
Importante: dronedarone is associated with a number of serious unwanted effects affecting the heart and liver. You must let your doctor know de inmediato if you notice any of the following:
An increase in weight, trouble breathing or feeling short of breath, swollen feet or legs. These could be signs of heart failure.
Extreme tiredness, abdominal pain, high temperature, sickness, itchy skin, dark urine or yellowing of your skin or of the whites of your eyes (jaundice). These could be signs of damage to your liver.
Si experimenta cualquier otro síntoma que crea que puede deberse al medicamento, hable con su médico o farmacéutico.
How to store dronedarone
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, Multaq® 400 mg tablets; Sanofi, The electronic Medicines Compendium. Dated July 2022.
- 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.
Próxima revisión: 18 de septiembre de 2026
19 Sept 2023 | Última versión

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