Carvedilol and Triamterene and hydrochlorothiazide interaction
Carvedilol and Triamterene and hydrochlorothiazide: both prescribing labels describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Carvedilol (Coreg) label · effective 2026-07-31
If such symptoms occur, diuretics should be increased and the carvedilol dose should not be advanced until clinical stability resumes [see Dosage and Administration (2) ] .
COREG may be used with caution, however, in patients who do not respond to, or cannot tolerate, other antihypertensive agents.
From the Triamterene and hydrochlorothiazide label · effective 2026-07-16
Thiazides may add to or potentiate the action of other antihypertensive drugs.
See INDICATIONS AND USAGE for concomitant use with other antihypertensive drugs.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot 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.