Drug interactions
Bendroflumethiazide + Telmisartan
Severity: Minor
Bendroflumethiazide and Telmisartan: 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
Thiazides are commonly combined with ARBs for additive blood pressure lowering. Telmisartan can offset thiazide-induced potassium loss, but hypotension and electrolyte changes can occur, especially early in therapy or with volume depletion.
What this interaction means in plain words
Bendroflumethiazide and Telmisartan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Additive antihypertensive effect, with ARB-mediated potassium retention counteracting thiazide kaliuresis.
What to do
Monitor blood pressure, electrolytes and renal function after initiation or dose changes.
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?
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Other interactions of Telmisartan
- Aliskiren + Telmisartan Contraindicated
- Sparsentan + Telmisartan Contraindicated
- Amifostine + Telmisartan Major
- Amiloride + Telmisartan Major
- Amlodipine-benazepril + Telmisartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Telmisartan Major
Frequently asked questions
Can I take Bendroflumethiazide with Telmisartan?
MediHelp rates the interaction as minor. Bendroflumethiazide and Telmisartan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Thiazides are commonly combined with ARBs for additive blood pressure lowering. Telmisartan can offset thiazide-induced potassium loss, but hypotension and electrolyte changes can occur, especially early in therapy or with volume depletion.
How serious is the interaction between Bendroflumethiazide and Telmisartan?
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, electrolytes and renal function after initiation or dose changes.
What other medicines interact with Telmisartan?
MediHelp also lists interactions of Telmisartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan page.
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