Indapamide and Losartan interaction

Indapamide and Losartan: 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 Indapamide label · effective 2026-05-13

Moderate

Drug Interactions Other Antihypertensives: Indapamide may add to or potentiate the action of other antihypertensive drugs.

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Minor

In limited controlled trials that compared the effect of indapamide combined with other antihypertensive drugs with the effect of the other drugs administered alone, there was no notable change in the nature or frequency of adverse reactions associated with the combined therapy.

Drug interactionsby drug classView label on DailyMed

From the Losartan (COZAAR) label · effective 2026-01-20

Moderate

Hypotension in Volume- or Salt-Depleted Patients In patients with an activated renin-angiotensin system, such as volume- or salt-depleted patients (e.g., those being treated with high doses of diuretics), symptomatic hypotension may occur after initiation of treatment with COZAAR.

Warnings and precautionsby drug classView label on DailyMed
Moderate

NSAIDs: Increased risk of renal impairment and reduced diuretic, natriuretic, and antihypertensive effects.

Drug interactionsby drug classView label on DailyMed
Moderate

Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Including Selective Cyclooxygenase-2 Inhibitors (COX-2 Inhibitors) In patients who are elderly, volume-depleted (including those on diuretic therapy), or with compromised renal function, coadministration of NSAIDs, including selective COX-2 inhibitors, with angiotensin II receptor antagonists (including losartan)…

Drug interactionsby drug classView label on DailyMed
Minor

Renal Function Deterioration Changes in renal function including acute renal failure can be caused by drugs that inhibit the renin-angiotensin system and by diuretics.

Warnings and precautionsby 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.