Sotalol - un bloqueador beta
Sotacor
Revisado por pares por Dr Colin Tidy, MRCGPÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 15 Abr 2023
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Sotalol belongs to the group of medicines known as beta-blockers. It is prescribed to treat fast irregular heartbeats.
Treatment is usually long-term. Continue to take the tablets regularly.
The most common side effects of sotalol are feeling tired, unwanted heart rhythm changes, and feeling short of breath.
De un vistazo
Sotalol is a beta-blocker medicine used to treat fast, irregular heartbeats.
It works by slowing your heart rate to prevent abnormal fast heart rhythms.
Common side effects include feeling tired, dizzy, sick, or having a headache.
Do not drive or use machines if you feel tired, dizzy, or light-headed.
Take sotalol exactly as prescribed by your doctor.
Do not stop taking sotalol suddenly unless advised by your doctor.
Tell your doctor or pharmacist about any other medicines you take.
About sotalol
Tipo de medicamento | Un medicamento bloqueador de los receptores beta-adrenérgicos (a menudo llamado betabloqueante) |
Usado para | Fast irregular heartbeats |
También llamado | Sotacor® |
Disponible como | Comprimidos |
What is sotalol used for?
Sotalol is a type of medicamentos beta-bloqueadores used to treat irregular heartbeats.
Your heartbeat is regulated by special tissues within your heart which conduct electric impulses. Fast irregular heartbeats can be caused by these tissues conducting impulses too quickly or too erratically.
How does sotalol work?
Sotalol works on the heart and blood vessels. It does this by blocking tiny areas (called beta-adrenergic receptors) where messages sent by some nerves are received by your heart and blood vessels. As a result, your heart beats more slowly, and this helps to prevent abnormally fast heart rhythms, called tachyarrhythmias.
Side effects of sotalol
The most common side effects of sotalol are:
Feeling tired, sleepy or weak.
Feeling dizzy or lightheaded.
Sentirse mal (náuseas).
Estar enfermo (vómitos).
Dolor de estómago.
Diarrea.
Indigestión.
Flatulencias (gases).
Dolor de cabeza.
Slow heartbeat and other heart rhythm problems.
Feeling short of breath.
You may also experience other side effects such as:
Dolor en el pecho.
Erupción.
Calambres musculares.
Difficulties sleeping.
Changes in mood.
Problemas sexuales.
An altered sense of taste.
Disturbances to hearing or vision.
Speak with your doctor or pharmacist if any of these side effects continue or become troublesome.
The best place to find a full list of the side effects which can be associated with your medicine, is from the manufacturer's printed information leaflet supplied with the medicine.
How to manage sotalol side effects
Common sotalol side effects | ¿Qué puedo hacer si experimento esto? |
Feeling tired, dizzy, sleepy, weak, or light-headed | No conduzca ni utilice herramientas o máquinas mientras esté afectado |
Feeling sick or being sick, tummy (abdominal) discomfort, diarrhoea, indigestion, wind | Mantente con alimentos simples |
Dolor de cabeza | Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si los dolores de cabeza continúan, consulta a tu médico |
Other side effects include: slow heartbeat and other heart rhythm problems, feeling short of breath, chest pain, rash, muscle cramps, difficulties sleeping, changes in mood, sexual problems, an altered sense of taste, and disturbances to hearing or vision | Speak with your doctor if any become troublesome |
Si experimenta cualquier otro síntoma que crea que puede deberse a las tabletas, hable con su médico o farmacéutico para obtener más consejos.
Who should not take sotalol?
Some 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 sotalol it is important that your doctor knows:
If you have asthma or any other breathing difficulties.
If you have diarrhoea.
Si tienes presión arterial baja o mala circulación.
Si tienes algún problema con el funcionamiento de tus riñones.
Si tienes diabetes (diabetes mellitus).
Si tienes un problema de piel llamado psoriasis.
Si estás embarazada o amamantando.
Si tienes una condición que causa debilidad muscular, llamada miastenia gravis.
If you have been told you have heart failure, heart block, sick sinus syndrome, or any other heart condition.
Si le han dicho que tiene dolor en el pecho causado por espasmos en los vasos sanguíneos del corazón, llamado angina de Prinzmetal.
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, or if you have ever had any other kind of severe allergic reaction.
How to take sotalol
Read the manufacturer's printed information leaflet from inside the pack. It will give you more information about sotalol and will provide you with a full list of the side effects which you could experience from taking it.
Take sotalol exactly as your doctor tells you to. You may be started on just one tablet a day to begin with. Once your body has adjusted to the new medicine, it is usual to take two doses a day (morning and evening).
Your doctor will gradually increase the strength of the tablets until you are on a dose which best suits your condition.
You will be told what dose is right for you, and the directions for taking the tablets will be printed on the label of the pack to remind you about what the doctor said to you.
You can take sotalol either with or without food, but try to take your doses at the same time(s) of day each day as this will help you to remember to take it regularly. The tablets are best swallowed with a drink of water.
Sotalol tablets are available in several different strengths: 40 mg, 80 mg, 160 mg and 200 mg.
Each time you collect a fresh supply of tablets, it's a good idea to check the strength on the packet to make sure they are the strength you are expecting.
If you forget to take a dose, take it as soon as you remember (unless it is nearly time for your next dose, in which case leave out the missed dose and take the next dose as normal). Do not take two doses together to make up for a forgotten dose.
Obteniendo el máximo de tu tratamiento
Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. Your doctor will want to check your heartbeat regularly, and you will also need to have some blood tests.
Your doctor is likely to give you dietary and lifestyle advice about eating a healthy diet, not smoking, and taking a little regular exercise. If so, it is important that you follow the advice you are given.
Treatment with sotalol is usually long-term. Continue to take the tablets unless your doctor tells you to stop. Stopping treatment suddenly can cause problems in some people, so your doctor may want you to reduce your dose gradually if this becomes necessary.
If you drink alcohol, ask your doctor for advice about drinking while you are on sotalol. It may not be advisable for you.
If you have diabetes, sotalol can block the symptoms of low blood sugar. Your doctor will advise you about this.
Si va a someterse a una operación o tratamiento dental, es importante informar a la persona que realiza el procedimiento que está tomando un betabloqueante. Esto es especialmente importante si es probable que le administren anestesia.
If you buy any medicines, check with a pharmacist that they are suitable for you to take with sotalol. Some medicines may not be (including some antihistamines, anti-inflammatory painkillers, and cold or flu remedies).
How to store sotalol
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 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.
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.
Preguntas frecuentes
How is sotalol different from other beta blockers?
Sotalol is a beta-blocker, but it works a bit differently from many others because it also affects the electrical activity of the heart. This makes it useful not only for lowering blood pressure and heart rate but also for treating certain heart rhythm problems (arrhythmias).
Why can't you have dairy with sotalol?
Most people can take sotalol with dairy, but follow your doctor’s advice on timing to ensure proper absorption.
Can sotalol cause nosebleeds?
Sotalol does not commonly cause nosebleeds, but they can occur as a rare side effect. If you notice frequent or heavy nosebleeds while taking sotalol, it’s important to speak to your doctor to check for other causes.

¿Inseguro sobre mezclar medicamentos?
Verifica posibles interacciones entre medicamentos, suplementos y alimentos antes de tomarlos juntos.
Preguntas frecuentes
Does Sotalol affect blood pressure?
Sotalol acts on the heart and blood vessels, and one of its effects is to slow down the heart's beating, which can affect blood pressure. Because of this, it's important for your doctor to know if you already have low blood pressure or poor circulation before you start taking sotalol.
Can I drink alcohol while taking sotalol?
If you drink alcohol, you should ask your doctor for advice about consuming it while you are taking sotalol. It may not be advisable for you to drink alcohol with this medication.
What should I do if I forget to take a dose of sotalol?
If you miss a dose of sotalol, take it as soon as you remember. However, if it's almost time for your next scheduled dose, you should skip the missed dose and continue with your regular dosing schedule. Do not take two doses at once to make up for a forgotten dose.
Why do I need blood tests and check-ups while taking sotalol?
Regular appointments with your doctor are important so they can monitor your progress while you're taking sotalol. Your doctor will need to check your heartbeat regularly, and you will also need to have some blood tests to ensure the treatment is effective and safe for you.
Can sotalol interact with other medications I might be taking?
Yes, sotalol can interact with other medicines. Before you start taking sotalol, inform your doctor about all other medicines you are currently taking, including any non-prescription, herbal, or complementary medicines. Also, if you buy any new medicines while on sotalol, check with a pharmacist to ensure they are suitable to take together, as some may not be (including certain antihistamines, anti-inflammatory painkillers, and cold or flu remedies).
Lecturas adicionales y referencias
- Manufacturer's PIL, Sotacor® 80 mg tablets; Neon Healthcare Limited, The electronic Medicines Compendium. Dated September 2021.
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 revisorVer biografía completa

Dr Colin Tidy, MRCGP
Médico General, Autor Médico
MBBS, MRCGP, MRCP (Paediatrics), DCH
El Dr. Colin Tidy es un médico del NHS, con sede en Oxfordshire.
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: 13 de octubre de 2027
15 Abr 2023 | Última versión

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