Drug interactions
Candesartan + Chlorothiazide
Severity: Minor
Candesartan and Chlorothiazide: 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
Together they provide additive blood pressure reduction, and candesartan partly offsets thiazide-induced hypokalemia. Hypotension, volume depletion and renal function changes may occur, especially at initiation.
What this interaction means in plain words
Candesartan and Chlorothiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Candesartan belongs to Cardiovascular; Chlorothiazide belongs to Cardiovascular.
Why it happens
Additive antihypertensive effect; ARB counters thiazide-induced renal potassium loss.
What to do
Monitor blood pressure, electrolytes and renal function after starting or adjusting either drug.
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 Candesartan
- Aliskiren + Candesartan Contraindicated
- Candesartan + Sparsentan Contraindicated
- Amifostine + Candesartan Major
- Amiloride + Candesartan Major
- Amlodipine-benazepril + Candesartan Major
- Amlodipine-hydrochlorothiazide-valsartan + Candesartan Major
Other interactions of Chlorothiazide
Frequently asked questions
Can I take Candesartan with Chlorothiazide?
MediHelp rates the interaction as minor. Candesartan and Chlorothiazide have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Together they provide additive blood pressure reduction, and candesartan partly offsets thiazide-induced hypokalemia. Hypotension, volume depletion and renal function changes may occur, especially at initiation.
How serious is the interaction between Candesartan and Chlorothiazide?
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 either drug.
What other medicines interact with Candesartan?
MediHelp also lists interactions of Candesartan with, for example, Aliskiren, Sparsentan, Amifostine. The full list is on the Candesartan page.
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