Drug interactions
Metolazone + Xipamide
Severity: Major
Metolazone and Xipamide: 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
Xipamide is a thiazide-like diuretic, so combining it with metolazone provides duplicate diuretic action. This can produce excessive diuresis, hypokalemia, hyponatremia, hypovolemia and renal impairment.
What this interaction means in plain words
Metolazone and Xipamide 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.
Why it happens
Additive inhibition of sodium chloride reabsorption in the distal tubule by two thiazide-type diuretics.
What to do
Avoid using both together unless deliberately intended for resistant edema. If combined, monitor electrolytes, renal function, weight and blood pressure 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 Metolazone
Frequently asked questions
Can I take Metolazone with Xipamide?
MediHelp rates the interaction as major. Metolazone and Xipamide 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. Xipamide is a thiazide-like diuretic, so combining it with metolazone provides duplicate diuretic action. This can produce excessive diuresis, hypokalemia, hyponatremia, hypovolemia and renal impairment.
How serious is the interaction between Metolazone and Xipamide?
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 both together unless deliberately intended for resistant edema. If combined, monitor electrolytes, renal function, weight and blood pressure closely.
What other medicines interact with Metolazone?
MediHelp also lists interactions of Metolazone with, for example, Amifostine, Amlodipine-hydrochlorothiazide-valsartan, Amlodipine-olmesartan-hydrochlorothiazide. The full list is on the Metolazone page.
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