Drug interactions
Chlorthalidone + Eprosartan-hydrochlorothiazide
Severity: Major
Chlorthalidone and Eprosartan-hydrochlorothiazide: major 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
Chlorthalidone is a thiazide-like diuretic, so combining it with hydrochlorothiazide duplicates therapy. This increases the risk of hypokalemia, hyponatremia, hypotension, volume depletion and hyperuricemia without a clear advantage.
What this interaction means in plain words
Chlorthalidone and Eprosartan-hydrochlorothiazide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Chlorthalidone belongs to Cardiovascular; Eprosartan-hydrochlorothiazide belongs to Cardiovascular.
Why it happens
Duplicate inhibition of the sodium-chloride cotransporter in the distal convoluted tubule, causing additive natriuresis and potassium loss.
What to do
Avoid using two thiazide-type diuretics together and keep a single agent. If used deliberately, monitor sodium, potassium and renal function closely.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Eprosartan-hydrochlorothiazide
- Aliskiren + Eprosartan-hydrochlorothiazide Contraindicated
- Dofetilide + Eprosartan-hydrochlorothiazide Contraindicated
- Eprosartan-hydrochlorothiazide + Sparsentan Contraindicated
- Aceclofenac + Eprosartan-hydrochlorothiazide Major
- Aldesleukin + Eprosartan-hydrochlorothiazide Major
- Amifostine + Eprosartan-hydrochlorothiazide Major
Other interactions of Chlorthalidone
Frequently asked questions
Can I take Chlorthalidone with Eprosartan-hydrochlorothiazide?
MediHelp rates the interaction as major. Chlorthalidone and Eprosartan-hydrochlorothiazide can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Chlorthalidone is a thiazide-like diuretic, so combining it with hydrochlorothiazide duplicates therapy. This increases the risk of hypokalemia, hyponatremia, hypotension, volume depletion and hyperuricemia without a clear advantage.
How serious is the interaction between Chlorthalidone and Eprosartan-hydrochlorothiazide?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using two thiazide-type diuretics together and keep a single agent. If used deliberately, monitor sodium, potassium and renal function closely.
What other medicines interact with Eprosartan-hydrochlorothiazide?
MediHelp also lists interactions of Eprosartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Eprosartan-hydrochlorothiazide page.
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