Repaglinide and Spironolactone and hydrochlorothiazide interaction

Repaglinide and Spironolactone and hydrochlorothiazide: 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 Spironolactone and hydrochlorothiazide label · effective 2026-02-10

Major

Information for patients Patients who receive spironolactone and hydrochlorothiazide tablets should be advised to avoid potassium supplements and foods containing high levels of potassium including salt substitutes.

Precautionsby drug classView label on DailyMed
Moderate

…blockers • non-steroidal anti-inflammatory drugs (NSAIDs), e.g., indomethacin • heparin and low molecular weight heparin • other drugs or conditions known to cause hyperkalemia • potassium supplements • diet rich in potassium • salt substitutes containing potassium Spironolactone and hydrochlorothiazide tablets should not be administered concurrently with other…

Warningsby drug classView label on DailyMed
Moderate

Drug interactions ACE inhibitors, Angiotensin II receptor antagonists, aldosterone blockers, potassium supplements, heparin, low molecular weight heparin, and other drugs known to cause hyperkalemia: Concomitant administration may lead to severe hyperkalemia.

Drug interactionsby drug classView label on DailyMed
Moderate

Antidiabetic drugs (e.g., oral agents, insulin): Dosage adjustment of the antidiabetic drug may be required (see Precautions ).

Drug interactionsby drug classView label on DailyMed

From the Repaglinide label · effective 2025-05-02

Minor

Examples: Atypical antipsychotics (e.g., olanzapine and clozapine), calcium channel antagonists, corticosteroids, danazol, diuretics, estrogens, glucagon, isoniazid, niacin, oral contraceptives, phenothiazines, progestogens (e.g., in oral contraceptives), protease inhibitors, somatropin, sympathomimetic agents (e.g., albuterol, epinephrine, terbutaline), and…

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.