Drug interactions
Candesartan-hydrochlorothiazide + Ethacrynic acid
Severity: Major
Candesartan-hydrochlorothiazide and Ethacrynic acid: 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
Ethacrynic acid is a potent loop diuretic and combining it with a thiazide can cause marked diuresis, volume depletion, hypotension, hypokalemia and hyponatremia. Candesartan may add to hypotension and renal impairment in volume-depleted patients.
What this interaction means in plain words
Candesartan-hydrochlorothiazide and Ethacrynic acid 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.
Candesartan-hydrochlorothiazide belongs to Cardiovascular; Ethacrynic acid belongs to Cardiovascular.
Why it happens
Sequential nephron blockade with a loop diuretic and a thiazide produces additive natriuresis and potassium loss.
What to do
Monitor electrolytes, renal function, weight and blood pressure closely, and reduce diuretic doses if volume depletion develops. Replace potassium and magnesium as needed.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Candesartan-hydrochlorothiazide and Ethacrynic acid, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Candesartan-hydrochlorothiazide
- Aliskiren + Candesartan-hydrochlorothiazide Contraindicated
- Candesartan-hydrochlorothiazide + Dofetilide Contraindicated
- Candesartan-hydrochlorothiazide + Sparsentan Contraindicated
- Acemetacin + Candesartan-hydrochlorothiazide Major
- Amifostine + Candesartan-hydrochlorothiazide Major
- Amiloride + Candesartan-hydrochlorothiazide Major
Other interactions of Ethacrynic acid
Frequently asked questions
Can I take Candesartan-hydrochlorothiazide with Ethacrynic acid?
MediHelp rates the interaction as major. Candesartan-hydrochlorothiazide and Ethacrynic acid 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. Ethacrynic acid is a potent loop diuretic and combining it with a thiazide can cause marked diuresis, volume depletion, hypotension, hypokalemia and hyponatremia. Candesartan may add to hypotension and renal impairment in volume-depleted patients.
How serious is the interaction between Candesartan-hydrochlorothiazide and Ethacrynic acid?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor electrolytes, renal function, weight and blood pressure closely, and reduce diuretic doses if volume depletion develops. Replace potassium and magnesium as needed.
What other medicines interact with Candesartan-hydrochlorothiazide?
MediHelp also lists interactions of Candesartan-hydrochlorothiazide with, for example, Aliskiren, Dofetilide, Sparsentan. The full list is on the Candesartan-hydrochlorothiazide page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
