Oxprenolol - un bloqueador beta
Revisado por pares por Sid DajaniÚltima actualización por Michael Stewart, MRPharmSÚltima actualización 16 Dic 2024
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Clinical author's note Michael Stewart 18/01/2019: at the time of review there are no branded or generic products containing oxprenolol available in the UK. Oxprenolol may still be available in other countries. This medicine leaflet is based on medical information available in the UK at the time of writing and is left here for reference purposes only. Please also refer to the manufacturer's information supplied with your medicine.
Oxprenolol is used to treat a number of different conditions. If you are unsure why you are taking it, please speak with your doctor.
Treatment with oxprenolol is usually long-term. Continue to take the tablets regularly unless your doctor tells you to stop.
Los efectos secundarios más comunes son la sequedad de boca y el estreñimiento.
De un vistazo
Oxprenolol is a beta-blocker medicine, now discontinued in the UK.
It was used to treat high blood pressure, angina, and irregular heartbeats.
It could also ease physical symptoms of anxiety like a fast heartbeat.
Oxprenolol works by slowing down your heart's activity and reducing its force.
Common side-effects include tiredness, dizziness, feeling sick, and dry mouth.
Do not stop taking oxprenolol suddenly without medical advice.
About oxprenolol
Tipo de medicamento | Un medicamento bloqueador de los receptores beta-adrenérgicos (a menudo llamado betabloqueante) |
Usado para | Hypertension; angina; arrhythmias; some symptoms of anxiety |
Disponible como | Tablets (discontinued in UK) |
Oxprenolol belongs to the group of medicines known as betabloqueantes. It is used for a number of different problems. It is prescribed on a continuous basis to treat presión arterial alta (hipertensión), and to prevent dolor de angina and also abnormally fast heartbeats (arrhythmias). It can also be prescribed for short periods of time to ease some symptoms of ansiedad.
Beta-blockers slow down the activity of your heart by stopping messages sent by some nerves to your heart. It does this by blocking tiny areas (called beta-adrenergic receptors) where the messages are received by your heart. As a result, your heart beats more slowly and with less force. This allows the pressure of blood within your blood vessels to be reduced if you have high blood pressure, and helps to prevent abnormally fast heart rhythms. Because your heart is using less energy, it also helps to prevent chest pain if you have angina attacks.
Anxiety can cause physical symptoms such as a fast heartbeat and the sensation of having a 'thumping heart' (palpitations). Because oxprenolol slows your heart rate, it can help to ease these symptoms. Oxprenolol will not help to relieve the emotional symptoms of anxiety such as stress and fear - these will be treated separately.
Before taking oxprenolol
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 oxprenolol it is important that your doctor knows:
Si estás embarazada o amamantando.
Si tienes asma u otro trastorno respiratorio.
Si tienes algún problema con el funcionamiento de tu hígado.
Si tienes presión arterial baja o mala circulación.
Si tienes diabetes (diabetes mellitus).
Si tienes un problema de piel llamado psoriasis.
Si tienes una condición que causa debilidad muscular, llamada miastenia gravis.
If you have been told you have a slow heartbeat, heart failure, or heart block (a slow and irregular heartbeat).
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.
Si alguna vez ha tenido una reacción alérgica a un medicamento, o si ha tenido alguna otra reacción alérgica grave.
How to take oxprenolol
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about oxprenolol and will provide you with a full list of the side-effects which you may experience from taking it.
Take oxprenolol exactly as your doctor tells you to - the directions will be printed on the label of the pack of tablets to remind you about what the doctor said. Your dose will depend upon the type of tablets you are taking and the reason for you taking them but, as a guide, it is usual to take oxprenolol one, two, or three times daily. There are different strengths of tablet available, so each time you collect a fresh supply it is a good idea to check to make sure you receive the strength you are expecting. If you have any questions, please ask your pharmacist to advise you.
Swallow the tablet with a drink of water. You can take oxprenolol either before or after meals, but try to take your doses at the same time of day each day, as this will help you to remember to take them regularly.
If you are taking a modified-release form of oxprenolol, it is important that you swallow the tablets whole. Do not chew or crush them.
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
Intenta mantener tus citas regulares con tu médico. Esto es para que tu médico pueda verificar tu progreso.
Treatment with oxprenolol is usually long-term (except if you are taking it for anxiety). 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.
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 drink alcohol, ask your doctor for advice about taking oxprenolol and alcohol. Alcohol will add to the blood pressure-lowering effect of oxprenolol which will make you feel dizzy and so may not be recommended for you.
If you buy any medicines, check with a pharmacist that they are suitable for you to take with oxprenolol. Some medicines (including some anti-inflammatory painkillers, and cold or flu remedies) may not be.
Your doctor may give you dietary and lifestyle advice about eating a healthy diet, not smoking, and taking regular exercise. If so, it is important that you follow the advice you are given.
If you have diabetes, oxprenolol can block the symptoms of low blood sugar. Your doctor will advise you about this.
Can oxprenolol 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 oxprenolol. 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 oxprenolol side-effects | ¿Qué puedo hacer si experimento esto? |
Feeling tired or dizzy | Si esto ocurre, no conduzca y no utilice herramientas o máquinas mientras esté afectado |
Sentirse mal (náuseas) o estar enfermo (vómitos) | Stick to simple meals - avoid rich and spicy foods. If you are not already doing so, try taking your doses after meals |
Boca seca | Try chewing sugar-free gum or sucking sugar-free sweets. Drink plenty of water |
Estreñimiento | Drink plenty of water and eat a well-balanced diet |
Dolor de cabeza | Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si los dolores de cabeza continúan, informa a tu médico |
Sentirse con falta de aire | If this happens, speak with your doctor as soon as possible |
Cold fingers and toes, feeling depressed, nightmares or disturbed sleep, reduced desire for sex | Si alguno de estos se vuelve problemático, hable con su médico para obtener consejo |
Si experimenta cualquier otro síntoma que crea que puede deberse a las tabletas, hable con su médico o farmacéutico para obtener más consejos.
How to store oxprenolol
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 difference in how oxprenolol treats anxiety compared to other conditions?
When oxprenolol is used for conditions like high blood pressure, angina, or irregular heartbeats, it's typically prescribed for continuous, long-term use. However, for anxiety symptoms, it's generally prescribed for shorter periods specifically to address physical symptoms like a fast or 'thumping' heart, not the emotional aspects of anxiety.
Can I stop taking oxprenolol if I feel better, especially for long-term conditions?
No, it's important not to stop taking oxprenolol suddenly, especially if you're taking it for a long-term condition like high blood pressure or angina. Stopping abruptly can cause problems. Your doctor may need you to gradually reduce your dose if they decide it's appropriate to stop the medication.
Why is it important to tell my doctor about other medications I'm taking, even non-prescription ones?
It's crucial because some medicines, including those you can buy without a prescription (like certain anti-inflammatory painkillers or cold/flu remedies) and even herbal or complementary medicines, may not be suitable to take with oxprenolol. Your doctor needs this information to ensure there are no harmful interactions or to adjust your treatmentplan accordingly.
If I have diabetes, how might oxprenolol affect me?
If you have diabetes, oxprenolol can potentially mask the usual symptoms of low blood sugar. This means you might not recognise when your blood sugar levels are dropping, which could be dangerous. Your doctor will provide specific advice on managing this interaction.
Could oxprenolol make me feel drowsy or affect my ability to drive?
Yes, feeling tired or dizzy is a common side-effect of oxprenolol. If you experience this, it's important not to drive or operate machinery until you know how the medicine affects you and these symptoms have passed.
What should I do if I experience breathlessness while taking oxprenolol?
Feeling short of breath can be a side-effect of oxprenolol. If this happens, you should speak with your doctor as soon as possible for advice.
Lecturas adicionales y referencias
- 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: 16 de diciembre de 2027
16 Dic 2024 | Última versión

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