Indapamide and Sulfamethoxazole and trimethoprim interaction

Indapamide and Sulfamethoxazole and trimethoprim: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Indapamide label · effective 2026-05-13

Major

Known hypersensitivity to indapamide or to other sulfonamide-derived drugs.

Contraindicationsby drug classView label on DailyMed

From the Sulfamethoxazole and trimethoprim (SULFATRIM) label · effective 2026-01-05

Moderate

Drug Interactions In elderly patients concurrently receiving certain diuretics, primarily thiazides, an increased incidence of thrombocytopenia with purpura has been reported.

Drug interactionsby drug classView label on DailyMed

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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.