Aspirin and Hydrochlorothiazide interaction

Aspirin and Hydrochlorothiazide: 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 Hydrochlorothiazide (INZIRQO) label · effective 2025-12-16

Moderate

NSAID: May lead to increased risk of renal impairment and loss of diuretic and antihypertensive effect (7.1).

Drug interactionsby drug classView label on DailyMed
Moderate

Potential for Other Drugs to Affect INZIRQO Non-Steroidal Anti-Inflammatory Agents: Administration of a nonsteroidal anti-inflammatory agent, including a selective COX-2 inhibitor can reduce the diuretic, natriuretic, and antihypertensive effects of thiazide diuretics.

Drug interactionsby drug classView label on DailyMed
Minor

Therefore, when INZIRQO and nonsteroidal anti-inflammatory agents are used concomitantly, check to determine if the desired effect of the diuretic is obtained.

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.

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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.