Isradipine and Methyldopa interaction
Isradipine and Methyldopa: both prescribing labels mention this combination without an instruction to avoid it or change the dose.
Mentioned, no instruction to avoid. Worth knowing; rarely a reason to change anything on its own.
What the FDA labels say
From the Isradipine label · effective 2026-01-14
In a study in hypertensive patients, addition of isradipine to existing hydrochlorothiazide therapy did not result in any unexpected adverse effects, and isradipine had an additional antihypertensive effect.
From the Methyldopa label · effective 2025-03-28
Drug Interactions When methyldopa is used with other antihypertensive drugs, potentiation of antihypertensive effect may occur.
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.