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NZ Formulary

Bendroflumethiazide

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ben-dro-floo-meth-eye-ah-zide

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What does it do?

  • What does it do?
  • Māori
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Bendroflumethiazide is used to treat high blood pressure and reduce excess fluid in your body.

Before you start

  • Before you start
  • Māori
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  • Tell your doctor if you have kidney problems, or gout.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.

How should you take it?

  • How should you take it?
  • Māori
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Take bendroflumethazide regularly as directed with a glass of water. You can take it with or without food.

What if you forget a dose?

  • What if you forget a dose?
  • Māori
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If it is nearly time for your next dose, skip the missed dose and take your next dose at the usual time. Otherwise, take the missed dose as soon as you remember. Do not take two doses at the same time.

Can you take other medicines?

  • Can you take other medicines?
  • Māori
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Some medicines available without a prescription may react with bendroflumethiazide including:

  • anti-inflammatories, such as diclofenac (e.g. Voltaren®), ibuprofen (e.g. Nurofen®), or aspirin (e.g. Disprin®, in doses used for pain relief). These can also be found in some cold and flu medicines (e.g. Nurofen Cold and Flu®).
  • calcium supplements (e.g. Calci-Tab®)

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

  • What side effects might you notice?
  • Māori
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Side EffectsRecommended action

Changes in heartbeat, muscle cramps or weakness

Confusion or drowsiness (may be signs of low sodium)

Changes in vision

Tell your doctor

More sensitive to sunlight (sunburn or rash)

Gout attack

Trouble getting or keeping an erection

Tell your doctor if troublesome

Symptoms of low blood pressure such as dizziness or fainting

Stand up slowly. If it continues, or is severe, tell your doctor

If you notice any other effects, discuss them with your doctor or pharmacist.

Other information:

  • Other information:
  • Māori
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  • Protect yourself from too much sunlight while being treated with bendroflumethiazide. Always cover up and apply a thick layer of broad spectrum sunscreen (at least SPF 30) when outside. Do not use sunbeds.
  • You may need blood tests while taking bendroflumethiazide to check the amount of potassium and sodium in your blood, and to see how well your kidneys are working.

This leaflet contains important, but not all, information about this medicine.

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Prepared by the MyMedicines Committee at Christchurch Hospital, Te Whatu Ora - Waitaha, New Zealand. March 2023

For more general information about this sheet and its contents, see: What does a My Medicines sheet cover?

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About My Medicines

My Medicines Patient Information Leaflets (PILs) contain important, but not all, information about the medicines they describe.

For more information about the sheets, see: What does a My Medicines sheet cover?

My Medicines is developed by a team at Te Whatu Ora – Waitaha. Our team is made up of doctors, pharmacists, and a non-medical person to help us keep to plain language. We also discuss our information with specialist health professionals or groups when needed