Aspirin and dipyridamole and Metoprolol and hydrochlorothiazide interaction

Aspirin and dipyridamole and Metoprolol 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 and dipyridamole label · effective 2023-12-26

Moderate

Beta Blockers The hypotensive effects of beta blockers may be diminished by the concomitant administration of aspirin due to inhibition of renal prostaglandins, leading to decreased renal blood flow and salt and fluid retention.

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Moderate

Diuretics The effectiveness of diuretics in patients with underlying renal or cardiovascular disease may be diminished by the concomitant administration of aspirin due to inhibition of renal prostaglandins, leading to decreased renal blood flow and salt and fluid retention.

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From the Metoprolol and hydrochlorothiazide (METOPROLOL TARTRATE AND HYDROCHLOROTHIAZIDE) label · effective 2025-01-22

Moderate

Non-Steroidal Anti-Inflammatory Drugs (NSAIDs): Reduced diuretic, natriuretic, and antihypertensive effects of diuretics.

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Moderate

Non-Steroidal Anti-Inflammatory Drugs : NSAIDs can reduce the diuretic, natriuretic, and antihypertensive effects of thiazide diuretics.

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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.