Metolazone and Prednisone interaction
Metolazone and Prednisone: 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 Metolazone label · effective 2026-01-15
Corticosteroids Or ACTH May increase the risk of hypokalemia and increase salt and water retention.
From the Prednisone (Prednisone delayed release) label · effective 2026-04-30
Potassium-Depleting Agents (e.g., Diuretics, Amphotericin B) When corticosteroids are administered concomitantly with potassium-depleting agents, patients should be observed closely for development of hypokalemia.
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.