Amiodarona para latidos irregulares del corazón
Cordarone X
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 2 Jun 2024
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Amiodarone is used to treat irregular heartbeats. Treatment with it will be started by a heart specialist.
It is very important that you take amiodarone exactly as your doctor tells you to. You will be started on a high dose, for one week only. Your dose will then be reduced over the following two weeks to a maintenance dose.
Amiodarone is likely to cause your skin to become more sensitive to sunlight than normal. Use a sunscreen on the areas of your skin exposed to sunlight.
De un vistazo
Amiodarone is a medicine used to treat irregular heartbeats.
It corrects your heart rhythm and can slow your heart if it beats too fast.
You must take amiodarone exactly as prescribed by your heart specialist doctor.
Avoid grapefruit juice and protect your skin from the sun while taking this medicine.
See your doctor if you develop yellow skin or eyes, a persistent cough, or breathlessness.
About amiodarone
Tipo de medicamento | An anti-arrhythmic medicine |
Usado para | Irregular heartbeats |
También llamado | Cordarone X® |
Disponible como | Tabletas y inyección |
Amiodarone is used to treat heart arrhythmias. An arrhythmia is an irregularity in your heartbeat which causes your heart to miss a beat, beat irregularly or beat at the wrong speed. Amiodarone is particularly helpful when other medicines used for the treatment of arrhythmias are unsuitable for some reason.
Amiodarone works by correcting the rhythm of your heart and by slowing your heart if it is beating too fast. It will be prescribed for you by a heart specialist doctor.
Before taking amiodarone
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 amiodarone it is important that your doctor knows:
If you have any heart problems other than your abnormal heart rhythm. In particular, you should let your doctor know if you have been diagnosed with heart failure.
If you have problems with your thyroid gland.
If you know you have low amounts of potassium in your blood.
Si tienes un trastorno sanguíneo hereditario raro llamado porfiria.
Si estás embarazada o amamantando.
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.
If you have ever had an allergic reaction to a medicine. It is particularly important that you tell your doctor if you know you are allergic to iodine.
How to take amiodarone
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about amiodarone and will provide you with a full list of the side-effects which you may experience from taking it.
Your doctor will tell you what the right dose of amiodarone is for you, and this dose will be printed on the label of the pack of tablets to remind you about what the doctor said to you. It is usual to take 200 mg three times a day for the first week, then 200 mg twice a day for the second week. Your dose may then be reduced to 200 mg each day from the third week. It is very important that you take amiodarone exactly as your doctor tells you to. If you are not sure what dose to take, ask your doctor or pharmacist for advice.
Try to take your doses of amiodarone at the same times each day, as this will help you to remember to take them regularly. You can take amiodarone either before or after meals.
Si olvida tomar una dosis, tómela tan pronto como lo recuerde (a menos que esté cerca la hora de su próxima dosis, en cuyo caso omita la dosis olvidada). No tome dos dosis juntas para compensar una dosis olvidada.
Obteniendo el máximo de tu tratamiento
Try 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 amiodarone to check your liver and thyroid function.
Your doctor is likely to recommend that you have an eyesight test each year. This is because you may develop deposits in your eyes. This is not likely to affect your vision, but if you are a driver you may find that you are dazzled by headlights if you drive at night.
Taking amiodarone is likely to cause your skin to become more sensitive to sunlight than normal. Whenever you go outside on bright days (even if it is cloudy, or if it is only for a relatively short period of time), use a sunscreen that has a high sun protection factor and also protects your skin against UVA light. Do not use sunbeds.
Do not drink grapefruit juice while you are on amiodarone. This is because a chemical in grapefruit juice can increase the amount of amiodarone in your bloodstream. This makes side-effects more likely.
Treatment with amiodarone is usually long-term unless you experience an adverse effect. You should continue to take it unless you are advised otherwise by your doctor.
If you are having an operation or any medical/dental treatment, remember to tell the person carrying out the treatment that you are taking amiodarone. It can interfere with some anaesthetics and increase the risk of side-effects.
If you buy any medicines 'over the counter', always check with a pharmacist that they are suitable for you to take alongside your other medicines. Many medicines can interfere with the way amiodarone works.
Can amiodarone 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 amiodarone. 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.
Very common amiodarone side-effects (these affect more than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Being dazzled by bright lights, blurred vision | Si esto sucede, no conduzcas y no uses herramientas ni máquinas |
Sentirse mal (náuseas) o estar enfermo (vómitos) | Eat simple meals - avoid rich or spicy food. Taking your doses after you have eaten some food may help |
Common amiodarone side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si experimento esto? |
Changes in the way things taste, shakiness, nightmares, difficulties sleeping, decreased libido, blue/grey marks on areas of your skin exposed to the sun | Si alguno de estos se vuelve problemático, hable con su médico |
ECG changes, changes to thyroid or liver function tests | Su médico supervisará estos |
Importante: there have been some reports of amiodarone causing damage to the liver (hepatotoxicity) and damage to the lungs (pneumonitis). The symptoms of liver damage are yellowing of the skin or the whites of the eyes, and feeling very tired or sick (nausea). The symptoms of lung damage are a persistent cough and breathlessness. If you experience any of these symptoms, you should contact your doctor for advice straightaway.
If you experience any other symptoms which you think may be due to amiodarone, speak with your doctor or pharmacist for further advice.
How to store amiodarone
Mantenga 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
Información 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 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 the primary role of amiodarone in treating heart conditions?
Amiodarone is an anti-arrhythmic medicine that primarily corrects the rhythm of your heart and slows it down if it's beating too fast. It's particularly useful when other anti-arrhythmic medications are not suitable.
Are there any specific foods or drinks I should avoid while taking amiodarone?
Yes, you should avoid drinking grapefruit juice when taking amiodarone. A chemical in grapefruit juice can increase the amount of amiodarone in your bloodstream, which can make side-effects more likely.
What should I do if I forget to take a dose of amiodarone?
If you forget a dose, take it as soon as you remember. However, if it's almost time for your next dose, skip the missed dose. Do not take two doses together to make up for a forgotten one.
Why do I need regular eye tests while on amiodarone?
Your doctor is likely to recommend an annual eyesight test because deposits can develop in your eyes. While this isn't usually expected to affect your vision, if you drive, you might find that headlights dazzle you at night.
What precautions should I take regarding sun exposure while on amiodarone?
Amiodarone can make your skin more sensitive to sunlight. Whenever you're outdoors on bright days, even if it's cloudy or for a short time, you should use a high-factor sunscreen that also protects against UVA light. You should also avoid using sunbeds.
What are the signs of liver or lung damage when taking amiodarone?
Signs of liver damage include yellowing of the skin or eyes, and feeling very tired or sick. Symptoms of lung damage are a persistent cough and breathlessness. If you experience any of these, contact your doctor immediately.
Lecturas adicionales y referencias
- Manufacturer's PIL, Amiodarone 200 mg Tablets; Ennogen Pharma Ltd, The electronic medicines Compendium. Dated August 2022.
- Medicamentos Completos BNF 89ª Edición; Asociación Médica Británica y Sociedad Real de Farmacia de Gran Bretaña, Londres.
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.
Artículo también disponible en Inglés, Alemán, Español, Francés, Italiano, Portugués, Hindi, Hebreo, Árabe, y Sueco.
Próxima revisión: 17 de mayo de 2027
2 Jun 2024 | Última versión

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