Drug interactions
Aspirin rectal + Metolazone
Severity: Minor
Aspirin rectal and Metolazone: 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
Systemically absorbed rectal aspirin at analgesic doses may blunt the diuretic and antihypertensive effect of metolazone and affect renal function in volume-depleted patients. The effect is generally modest.
What this interaction means in plain words
Aspirin rectal and Metolazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Salicylate inhibition of renal prostaglandins can reduce natriuresis and renal perfusion.
What to do
With repeated high-dose use, monitor blood pressure, fluid status and renal function.
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 Metolazone
Frequently asked questions
Can I take Aspirin rectal with Metolazone?
MediHelp rates the interaction as minor. Aspirin rectal and Metolazone have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Systemically absorbed rectal aspirin at analgesic doses may blunt the diuretic and antihypertensive effect of metolazone and affect renal function in volume-depleted patients. The effect is generally modest.
How serious is the interaction between Aspirin rectal and Metolazone?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: With repeated high-dose use, monitor blood pressure, fluid status and renal function.
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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