Bendroflumethiazide

  • Prescribed to treat High Blood Pressure (Hypertension)
  • Thiazide Diuretics, more commonly known as "water pills"
  • Treats the build up of fluid within blood vessels, effectively lowering blood pressure
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What is Bendroflumethiazide?

Bendroflumethiazide is a medication that belongs to a class of drugs known as thiazide diuretics, more commonly referred to as 'water pills'.

It is a prescription-only medicine that is designed to treat the build-up of fluid in your body, including the fluid in your blood vessels, which can help to lower high blood pressure.

You can buy Bendroflumethiazide from Medicine Direct, following an online consultation with one of our certified doctors. We sell this medicine in packets of either 28, 56, or 84 tablets, in doses of either 2.5mg or 5mg.

If you order before 2pm, we can offer you next day delivery on your medication.

What is Bendroflumethiazide used to treat?

Bendroflumethiazide is commonly used to treat high blood pressure (hypertension).

High blood pressure is caused by a wide range of issues, including a family history of high blood pressure, smoking, obesity, age, lack of exercise and high levels of salt in your diet.

Certain health problems are also linked to it, including kidney disease and diabetes.

Taking water tablets like Bendroflumethiazide make you need to urinate more often, which helps to get rid of excess fluid in your body. This also means that you will have less fluid in your blood vessels, which helps to lower your blood pressure.

Taking Bendroflumethiazide is safe for most adults and children, including babies.

Who can take Bendroflumethiazide?

Bendroflumethiazide is an effective diuretic treatment high blood pressure and fluid retention, which can be taken by most adults and children, including babies. Nonetheless, it may not be suitable for everyone to take.

Make sure you inform your doctor before you start taking Bendroflumethiazide if you have any of the following conditions:

  • You have diabetes
  • You are allergic to Bendroflumethiazide or any of the other ingredients in this medicine (please, refer to the Ingredients tab for a full list)
  • You have diabetes
  • You have liver or kidney problems
  • You have the rare blood disease porphyria
  • You have lupus (an inflammatory condition)
  • You have underactive adrenal glands (Addison's disease)
  • You have difficulties urinating
  • You have vomiting or diarrhoea
  • You have had an allergic reaction to Bendroflumethiazide or any other medicines in the past
  • You have high levels of uric acid or calcium in your blood
  • You have high levels of magnesium, sodium or potassium in your blood
  • You have liver disease caused by alcohol

Possible side effects

Like all medications, Bendroflumethiazide does come with the risk of certain side effects, although not everyone who uses it will get them.

The lower your dose, the less likely you are to experience any adverse effects. Side effects often ease as you continue taking the tablets and your body gets used to them.

Common side effects of this medication include:

  • Feeling dizzy
  • Severe joint pain
  • Feeling faint
  • Feeling thirst with a dry mouth
  • Stomach pain
  • Loss of appetite
  • Diarrhoea
  • Constipation
  • Unexpected weight loss
  • Bladder or skin infection
  • Thrush
  • Blurred vision
  • Increased thirst

Speak to your doctor if any of the above symptoms bother you or do not go away.

Please note, this list is not exhaustive. For a list of rarer and more serious adverse reactions you may have to Bendroflumethiazide, please refer to the Side Effects tab on this page.

Order safely online

Never order any form of medicine online unless it is from a UK registered pharmacy, like Medicine Direct.

We are registered with the General Pharmaceutical Council, which means we can promise our customers nothing but genuine versions of the medicines you order with us.

Our doctors are fully certified and registered with the General Medical Council, just like your local GP. This means they are able to legally prescribe you medication based on the symptoms you describe to them during a confidential online consultation.

If you order with us before 2pm, we can offer you next day delivery on your order, meaning you can start to treat your high blood pressure or fluid build-up straight away.

Bendroflumethiazide Dosage

Always take Bendroflumethiazide exactly as instructed by your doctor or pharmacist. Read the patient information leaflet thoroughly before you start to use it. Speak to your doctor or pharmacist for advice if you are not sure how to take it.

The dose of Bendroflumethiazide tablets you are required to take will depend on whether you are being treated for high blood pressure or a different condition.

When used to treat high blood pressure, the usual dose is Bendroflumethiazide 2.5mg tablets once a day.

The dosage for fluid retention is 5mg to 10mg tablets once a day. Your doctor may reduce your dose to 1 to 3 times a week.

If you are aged 65 or over, or have kidney problems, you may be prescribed a lower dosage.

If your child is required to use Bendroflumethiazide, their dose will be determined by their age and weight.

When to take Bendroflumethiazide

You will normally be instructed to take Bendroflumethiazide once a day, in the morning.

If your doctor prescribes Bendroflumethiazide to be taken twice a day, you should take it once in the morning and again around midday.

To ensure this medicine's effectiveness, try to make sure you are taking Bendroflumethiazide at the same time(s) every day.

Do not take thiazide diuretics after 4pm or in the evening; this medicine will make you need to go to the toilet, which will require you to wake up in the middle of the night.

How to take Bendroflumethiazide

Bendroflumethiazide tablets should be swallowed whole with a drink of water.

It can be taken with or without food.

What if I take more than I am supposed to?

Taking too much of this medicine can results in a weak or fast heartbeat, fits (seizures), dizziness and/or confusion. These are all signs of dehydration. An overdose may also result in low blood pressure.

The amount of Bendroflumethiazide that constitutes an overdose will vary from person to person.

If you take too much Bendroflumethiazide or feel unwell, you should go to A&E straight away.

Do not drive yourself; you must either call an ambulance or ask someone else to drive you to hospital. Be sure to take your medicine packet or leaflet with you.

What if I forget to take it?

If you accidentally forget to take this medicine, just take it as soon as you remember, as long as it is before 4pm. If it is later than 4pm, you should skip the dose you forgot to take and continue taking Bendroflumethiazide at the usual time the next day.

Never double dose in an attempt to make up for missing a previous one.

For this medication to restore your normal blood pressure level, it is important to be consistent with your doses of Bendroflumethiazide. For this reason, you should try to take it at the same time each day, to get into a routine of taking it. Some people find it beneficial to set an alarm at the time they are supposed to take it, as a reminder. Speak to your doctor or pharmacist about other ways you can remember to take your medication.

Bendroflumethiazide FAQ's

Do I need a prescription to buy Bendroflumethiazide?


Yes, this medication is prescription-only. You can purchase Bendroflumethiazide online at Medicine Direct following an online consultation with one of our certified doctors. They will review your symptoms and prescribe Bendroflumethiazide tablets if they believe them to be an effective treatment for your condition.

How long does it work for?


One dose of Bendroflumethiazide will work for between 12 and 24 hours.

Can Bendroflumethiazide be bought online?


Yes, you can order Bendroflumethiazide online at Medicine Direct after an online consultation with a certified doctor. If one of our doctors prescribes Bendroflumethiazide, you can purchase it from our online pharmacy. Never buy medicine online unless it is from a pharmacy that is registered with the General Pharmaceutical Council, like Medicine Direct. All of our doctors are registered with the General Medical Council, just like your local GP. If you place an order before 2pm, you will receive your order the very next day.

Can I stop taking Bendroflumethiazide?


This high blood pressure medication will only be effective while you take it. If you stop using Bendroflumethiazide tablets, your blood pressure is likely to rise again. If you are using this medication for a build-up of fluid, you may find that your body starts to build up fluid again. The levels of electrolytes in your blood may also change. To check this, you may be recommended for a blood test after a couple of weeks.

Bendroflumethiazide Side Effects

A list of common adverse reactions can be found on the main product page.

More serious side effects of taking Bendroflumethiazide can be found below. You should seek medical attention if you suffer from any of the below side effects:

  • You have sudden or severe stomach pain – this could be a sign of pancreas problems
  • You have unexplained bruising or bleeding – this could be a sign of blood problems
  • You have strong-smelling and dark yellow urine, you are constantly thirsty, feeling dizzy/light-headed, are urinating less than 4 times a day – these could be signs that you are dehydrated
  • You have yellowing of the skin or whites of the eyes, itching, dark urine or pale stools – these could be signs of a liver problem
  • You have low blood pressure

Serious allergic reaction

In rare instances, you may suffer a serious allergic reaction while using this medication. You may require immediate treatment in hospital if you experience any of the below symptoms; if you do exhibit any of these, you must either go to A&E or call 999 straight away:

  • You have tightness in the chest or throat
  • You are wheezing
  • You have a skin rash that is red, itchy, swollen, blistered or peeling skin
  • You are finding it difficult to breathe or speak
  • You have swelling in your tongue, throat, lips, mouth or face

The above lists may not be exhaustive; always read the patient information leaflet thoroughly for a comprehensive list of possible Bendroflumethiazide side effects.

If you have any questions or concerns, please do not hesitate to speak to your doctor before you start to take Bendroflumethiazide.

Bendroflumethiazide Warnings and drug interactions

Bendroflumethiazide tablets may interact with other medications, which can hinder its effectiveness. Thiazide diuretics can also increase the risk of developing Gout.

Before you start to take a new medicine, you should always tell your doctor if you are already taking any others. This includes both prescription and non-prescription medicines, herbal remedies, vitamins and supplements.

In particular, make sure you tell your doctor if you are currently taking, or have recently taken, any of the following:

  • Any nonsteroidal anti-inflammatory drugs (NSAIDs), such as naproxen, ibuprofen, indometacin or ketorolac
  • Toremifene (used to treat certain types of cancer)
  • Any vitamin D preparations
  • Carbenoxolone (used to treat stomach ulcers)
  • Digoxin (used to treat heart problems)
  • Cisplatin (a cancer treatment)
  • You are receiving adrenocorticotropic (ACTH) hormone
  • Moxisylyte (for Raynaud’s syndrome)
  • Any calcium channel blockers (used to lower blood pressure)
  • Pimozide or thioridazine (for mental illnesses)
  • Corticosteroids (to reduce inflammation)
  • Antihypertensive agents (used to treat high blood pressure)
  • Prazosin (for Raynaud's syndrome, high blood pressure, an enlarged prostate and heart failure)
  • Reboxetine, tricyclic antidepressants
  • Sympathomimetics (for asthma, heart medicines or as a decongestant)
  • Allopurinol (used for gout)
  • Theophylline (to treat breathing problems like asthma)
  • Medicines to control an irregular heartbeat: disopyramide, amiodarone, flecainide, quinidine, lidocaine or mexiletine
  • Oestrogen or combined oral contraceptives
  • Terfenadine (for allergic reactions)
  • Any opioids, such as morphine
  • Any barbiturates
  • The muscle relaxants baclofen, tizanidine, tubocurarine, gallamine, alcuronium or pancuronium
  • Any beta-agonists
  • Acetazolamide (for epileptic seizures and glaucoma)
  • Lithium (for certain mental health problems)
  • Calcium salts
  • Colestipol & cholestyramine (for lowering cholesterol)
  • Any sulfonylureas (to control blood sugar levels)

Bendroflumethiazide and alcohol

You are advised to not drink alcohol while taking this medication. Alcohol may cause dizziness when you stand up, which is due to low blood pressure.

Driving and operating machinery

Bendroflumethiazide will not directly impair your ability to drive or operate machinery. However, dizziness is a side effect associated with this medicine; so if you experience dizziness while taking Bendroflumethiazide, you should not drive, ride a bike, or operate machinery until you feel better.

Pregnancy and breastfeeding

Bendroflumethiazide is not recommended for women who are pregnant, although your doctor may prescribe you this medication if they believe the pros of taking it outweigh the risks.

Before taking Bendroflumethiazide, you should tell your doctor if you are either currently pregnant, think you might be pregnant, or are trying to get pregnant.

It is also not recommended for women who are breastfeeding, as it can reduce the amount of breast milk a woman produces. Tell your doctor if you are breastfeeding, as they can discuss the risks and possible alternatives you can use.

Bendroflumethiazide Ingredients

Bendroflumethiazide is the active ingredient contained within these tablets.

Inactive ingredients also contained in this medicine are: lactose, pre-gelatinized maize starch, maize starch, purified talc and magnesium stearate.

Delivery Company Delivery Service Price Details
Royal Mail UK Delivery Standard UK Tracked £2.99 3 - 4 Working Day Delivery
DPD UK Next Day Delivery Next Day Delivery - Tracked £5.95 Order by 2pm (subject to Dr approval) Next Working Day Delivery
DPD UK Next Day Delivery Next Day Tracked Morning Delivery by 12:00pm £12.95 Next Working Day Morning Delivery by 12:00pm
DPD UK Next Day Delivery Tracked Saturday Delivery £9.95

Delivery specified for Saturday

Order Friday by 2pm (subject to Dr approval)

Please note that next day delivery to Northern Ireland, Scottish Highlands & Islands and British Isles cannot be guaranteed. Please contact our team for more information.

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This content has been written by our Pharmacist Sonia Khan and has been medically reviewed by our Superintendent Pharmacist Hussain Abdeh

Sonia Khan
MPharm: 2076091

Pharmacist

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