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Drug interactions

Atenolol + Bendroflumethiazide

Severity: Minor

Atenolol and Bendroflumethiazide: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

This combination is commonly used for hypertension and produces additive blood pressure lowering. Thiazides can cause hypokalemia, hyperglycemia and hyperuricemia, and beta blockers may worsen glucose control and mask hypoglycemia.

What this interaction means in plain words

Atenolol and Bendroflumethiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Moderate

Why it happens

Additive antihypertensive effects with thiazide metabolic effects potentially amplified by beta blockade.

What to do

Monitor blood pressure, potassium and glucose, especially in diabetic patients.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Atenolol with Bendroflumethiazide?

MediHelp rates the interaction as minor. Atenolol and Bendroflumethiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. This combination is commonly used for hypertension and produces additive blood pressure lowering. Thiazides can cause hypokalemia, hyperglycemia and hyperuricemia, and beta blockers may worsen glucose control and mask hypoglycemia.

How serious is the interaction between Atenolol and Bendroflumethiazide?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure, potassium and glucose, especially in diabetic patients.

What other medicines interact with Atenolol?

MediHelp also lists interactions of Atenolol with, for example, Amifostine, Amiodarone, Atenolol-chlorthalidone. The full list is on the Atenolol page.

Full monographs, dosing and an interaction checker in the MediHelp app

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