Furosemide and Torsemide interaction
Furosemide and Torsemide: 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 Furosemide label · effective 2026-05-13
Monitor for changes in blood pressure and adjust the dose of other antihypertensive drugs if needed.
From the Torsemide label · effective 2026-07-21
Lithium Like other diuretics, torsemide reduces the renal clearance of lithium, inducing a high risk of lithium toxicity.
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.