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Bendroflumethiazide tablets

Bendroflumethiazide is a 'water tablet' (a diuretic).

Es mejor tomarlo por la mañana.

Any side-effects are usually mild, but may include feeling sick (nausea) or dizzy.

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About bendroflumethiazide

Tipo de medicamento

A thiazide diuretic

Usado para

High blood pressure; fluid retention

Disponible como

Comprimidos

Bendroflumethiazide belongs to a group of medicines called thiazide diuretics. A diuretic is a medicine which increases the amount of urine that you pass out from your kidneys. They are sometimes referred to as 'water tablets'. Diuretics are a common treatment for presión arterial alta (hypertension). They are also used to clear fluid from the body in conditions where your body retains too much fluid. This is called edema.

Diuretics like bendroflumethiazide work by interfering with the transport of salt and water across certain cells in your kidneys. The effect of this is to make your kidneys pass out more urine.

Bendroflumethiazide can be given alongside other medicines used to treat fluid retention and/or hypertension. When it is used like this, you may be prescribed a combination tablet. Combination tablets help to reduce the total number of tablets you need to take each day.

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 bendroflumethiazide it is important that your doctor knows:

  • Si estás embarazada o amamantando.

  • Si tienes algún problema con el funcionamiento de tu hígado, o algún problema con el funcionamiento de tus riñones.

  • If you have gout, diabetes or an inflammatory condition called systemic lupus erythematosus (also called lupus, or SLE). These conditions can be made worse by medicines like bendroflumethiazide.

  • Si un médico le ha dicho que tiene niveles bajos de sodio o potasio en la sangre, o niveles altos de calcio en la sangre.

  • If you have a problem with your adrenal glands, called Enfermedad de Addison.

  • Si tienes un trastorno sanguíneo hereditario raro llamado porfiria.

  • Si está tomando o usando 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 has tenido una reacción alérgica a un medicamento.

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  • Before you start the treatment, read the manufacturer's printed information leaflet from inside the pack. It will give you more information about bendroflumethiazide and will provide you with a full list of the side-effects which you may experience from taking it.

  • Take the tablets exactly as your doctor tells you to. The usual dose for high blood pressure is 2.5 mg daily (one tablet). The initial dose for fluid retention is 5-10 mg once each day or once every other day, although this may be reduced to one dose on only two or three days of the week as you go on.

  • Your doctor is likely to recommend that you take bendroflumethiazide in the morning. This is so it works during the day and your sleep is not disturbed by you needing to get up to go to the toilet during the night.

  • Swallow the tablet with a drink of water. You can take it either with or without food.

  • If you forget to take a dose, take it as soon as you remember. However, if it is late afternoon when you remember, leave out the forgotten dose and take your next dose as usual on the following day. Do not take two doses on the same day to make up for a missed dose.

  • 'Water tablets' (diuretics) like bendroflumethiazide help you to lose water. Occasionally you may lose too much and become lacking in fluid in the body (dehydrated). Let your doctor know if you feel constantly thirsty, your mouth is dry, or your skin looks and feels dry.

  • Try to keep your regular appointments with your doctor. This is so your doctor can check on your progress. The salt balance in your bloodstream may be upset by bendroflumethiazide and your doctor may want you to have a blood test from time to time to check for this.

  • If you have been prescribed bendroflumethiazide for high blood pressure (hypertension), your treatment is likely to be long-term. Although many people with high blood pressure do not feel unwell, if left untreated, high blood pressure can harm your heart and damage your blood vessels. This damage may later result in a heart attack, stroke, or kidney problems, so it is important that you continue to take the tablets regularly to help reduce the risk of this. You may also be given some lifestyle and dietary advice by your doctor, such as stopping smoking, reducing the amount of salt in your diet, eating more fruit and vegetables and less saturated fat, and taking some regular exercise. Following this advice will also help to reduce the risk of damage to your heart and blood vessels.

  • Ask your doctor for advice before drinking alcohol while you are on bendroflumethiazide. Alcohol will add to the blood pressure-lowering effect of bendroflumethiazide which will increase the possibility of you experiencing side-effects such as dizziness.

  • If you buy any medicines, check with a pharmacist that they are suitable to take alongside bendroflumethiazide.

  • Si tienes programada una operación o cualquier tratamiento dental, informa a la persona que realizará el tratamiento sobre los medicamentos que estás tomando.

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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 bendroflumethiazide. 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 bendroflumethiazide side-effects

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Sensación de malestar (náuseas), malestar estomacal

This is usually mild, but it may help to take the medicine after food if you are not already doing so

Sentirse mareado, especialmente al ponerse de pie (debido a la baja presión arterial)

Getting up more slowly should help. Do not drive and do not use tools or machines while affected

Si experimenta cualquier otro síntoma que crea que puede deberse a las tabletas, hable con su médico o farmacéutico para obtener más consejos.

  • 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

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 Yellow Card website.

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Lecturas adicionales y referencias

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Historial del artículo

La información en esta página está escrita y revisada por pares por clínicos calificados.

  • Próxima revisión: 10 Mar 2028
  • 11 Mar 2025 | Última versión

    Última actualización por

    Michael Stewart, MRPharmS

    Revisado por pares por

    Sid Dajani
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