Drug interactions
Hydrochlorothiazide + Telmisartan-amlodipine
Severity: Minor
Hydrochlorothiazide and Telmisartan-amlodipine: 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
Hydrochlorothiazide is commonly combined with telmisartan, and the two have additive blood pressure lowering. Telmisartan tends to offset thiazide-induced hypokalemia, though hypotension, volume depletion and electrolyte disturbance can still occur.
What this interaction means in plain words
Hydrochlorothiazide and Telmisartan-amlodipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Hydrochlorothiazide belongs to Cardiovascular; Telmisartan-amlodipine belongs to Cardiovascular.
Why it happens
Additive antihypertensive effects through diuresis and renin-angiotensin blockade, with opposing effects on potassium.
What to do
Monitor blood pressure, electrolytes and renal function after starting or adjusting the combination. Reduce doses if symptomatic hypotension occurs.
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-amlodipine
- Aliskiren + Telmisartan-amlodipine Contraindicated
- Sparsentan + Telmisartan-amlodipine Contraindicated
- Amifostine + Telmisartan-amlodipine Major
- Amiloride + Telmisartan-amlodipine Major
- Benazepril + Telmisartan-amlodipine Major
- Candesartan + Telmisartan-amlodipine Major
Other interactions of Hydrochlorothiazide
Frequently asked questions
Can I take Hydrochlorothiazide with Telmisartan-amlodipine?
MediHelp rates the interaction as minor. Hydrochlorothiazide and Telmisartan-amlodipine have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Hydrochlorothiazide is commonly combined with telmisartan, and the two have additive blood pressure lowering. Telmisartan tends to offset thiazide-induced hypokalemia, though hypotension, volume depletion and electrolyte disturbance can still occur.
How serious is the interaction between Hydrochlorothiazide and Telmisartan-amlodipine?
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 starting or adjusting the combination. Reduce doses if symptomatic hypotension occurs.
What other medicines interact with Telmisartan-amlodipine?
MediHelp also lists interactions of Telmisartan-amlodipine with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Telmisartan-amlodipine page.
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