Aspirin and Metolazone interaction

Aspirin and Metolazone: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.

Moderate

Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.

What the FDA labels say

From the Aspirin label · effective 2026-05-06

Moderate

…this product or any of its ingredients Ask a doctor before use if stomach bleeding warning applies to you you have a history of stomach problems, such as heartburn you are taking a diuretic you have high blood pressure, heart disease, liver cirrhosis, or kidney disease you have asthma Ask a doctor or pharmacist before use if you are taking a prescription drug…

Warningsby drug classView label on DailyMed

From the Metolazone label · effective 2026-01-15

Moderate

Salicylates And Other Non-Steroidal Anti-Inflammatory Drugs May decrease the antihypertensive effects of metolazone tablets, USP.

Drug interactionsby drug classView label on DailyMed

Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.

Open in the checker

Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.