Moxonidine for high blood pressure
Physiotens
Peer reviewed by Sid DajaniLast updated by Michael Stewart, MRPharmSLast updated 15 Jan 2025
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When you first start treatment with moxonidine, take one 200 micrograms tablet daily, in the morning. Your doctor will review your dose after a few weeks.
The most common side-effects are a dry mouth, feeling sleepy, and a stomach upset. These tend to be mild and soon settle down.
Treatment with moxonidine is usually long-term - continue to take the tablets until your doctor tells you otherwise.
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About moxonidine for high blood pressure
Tipo de medicamento | A centrally acting antihypertensive medicine |
Utilizado para | Presión arterial alta (hipertensión) |
También llamado | Physiotens® |
Disponible como | Tabletas |
Moxonidine is a medicine which works on your blood vessels. You will have been prescribed it for high blood pressure (hypertension). Most people with high blood pressure do not feel unwell, but it is important that high blood pressure is treated even if you feel fine. This is because high blood pressure can be damaging to your blood vessels and can put a strain on your heart. If left untreated, high blood pressure is a risk factor that can increase your chance of developing heart disease, a stroke, and other serious conditions. It is likely that you will be prescribed moxonidine if other (more frequently used) medicines are not suitable for you, or if they have not been sufficient to control your high blood pressure.
Moxonidine works by relaxing the muscles in the walls of your blood vessels. This means that your blood vessels widen, which reduces your blood pressure and allows blood and oxygen to circulate more freely around your body.
Before taking moxonidine
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 moxonidine it is important that your doctor knows:
Si está embarazada o en periodo de lactancia.
If you have a heart disorder, such as a slow heartbeat or heart failure.
If you have angina chest pain.
Si tiene algún problema con el funcionamiento de sus riñones.
Si está tomando 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 moxonidine
Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about moxonidine and will provide you with a full list of the side-effects which you could experience from taking it.
Take moxonidine exactly as your doctor tells you to. It is usual to start by taking one tablet of 200 micrograms each day, in the morning. If it is necessary, your doctor will then increase your dose after a few weeks. You may be asked to take either a higher strength of tablet, or to take two tablets a day. Increasing the dose slowly like this allows your doctor to make sure that you have the dose that helps your condition but avoids any unwanted symptoms.
Try to take your doses at the same time(s) of day each day, as this will help you to remember to take moxonidine regularly. If you are asked to take one dose a day, take it in the morning. If you are asked to take two doses a day, take your first dose in the morning and the second dose in the evening.
Swallow the tablet whole with a drink of water. You can take moxonidine either before or after a meal.
Si olvida tomar una dosis, tómela en cuanto se acuerde (a menos que sea casi la hora de la siguiente dosis, en cuyo caso omita la dosis olvidada). No tome dos dosis juntas para compensar la dosis olvidada.
Aproveche al máximo su tratamiento
Procure acudir a las citas periódicas con su médico. Así podrá comprobar su evolución.
There are three different strengths of moxonidine tablets available - 200 micrograms, 300 micrograms and 400 micrograms. Each time you collect a fresh supply of tablets 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.
Drinking alcohol while you are on moxonidine is not recommended. Alcohol will add to the blood pressure-lowering effect of moxonidine which will increase the chances of you experiencing side-effects such as feeling dizzy.
If you buy any medicines, check with a pharmacist that they are suitable for you to take. This is because some medicines (such as some anti-inflammatory painkillers) can interfere with the way moxonidine works.
If you are due to have an operation or dental treatment, it is important to tell the person carrying out the treatment that you are taking moxonidine. This is because some anaesthetics can affect your blood pressure.
Your doctor will advise you on what lifestyle changes you can make to help your condition. These may include losing weight if you are overweight, taking regular exercise, eating a healthy diet, cutting back if you drink a lot of alcohol, stopping smoking, and reducing the amount of salt in your meals and caffeine in your drinks. It is important that you follow any advice you are given.
Treatment with moxonidine is usually long-term unless you experience an adverse effect. 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.
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Can moxonidine 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 moxonidine. 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 moxonidine side-effects (these affect more than 1 in 10 people) | ¿Qué puedo hacer si me ocurre esto? |
Boca seca | Prueba a mascar chicle sin azúcar o chupar caramelos sin azúcar |
Common moxonidine side-effects (these affect fewer than 1 in 10 people) | ¿Qué puedo hacer si me ocurre esto? |
Sensación de sueño o mareo | No conduzca ni utilice herramientas o máquinas mientras esté afectado |
Headache, backache | Bebe mucha agua y pide a tu farmacéutico que te recomiende un analgésico adecuado. Si los dolores persisten, informe a su médico. |
Feeling sick (nausea), stomach upset, indigestion, diarrhoea | Coma comidas sencillas - evite los alimentos ricos o picantes |
Difficulties sleeping, thought disturbances, feeling flushed or tired, itchy rash | Si alguno le resulta molesto, consulte a su médico. |
Si experimenta cualquier otro síntoma que crea que puede deberse a los comprimidos, hable con su médico o farmacéutico para que le aconsejen.
How to store moxonidine
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. Nunca se lo dé a otras personas aunque su enfermedad parezca ser la misma que la suya.
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
- Manufacturer's PIL, Physiotens® 200 mcg, 300 mcg and 400 mcg tablets; Mylan Products Limited, The electronic Medicines Compendium. Dated June 2024.
- Medicamentos BNF completa 89ª edición; Asociación Médica Británica y Real Sociedad Farmacéutica de Gran Bretaña, Londres.
Historia del artículo
La información de esta página ha sido redactada y revisada por médicos cualificados.
Fecha de la próxima revisión: 15 de enero de 2028
15 Ene 2025 | Última versión

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