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GLP-1 and warfarin: INR changes to watch

GLP-1 and warfarin: INR changes to watch

If you take warfarin (a blood thinner) and start a GLP-1 medicine, your INR blood test may need closer checks. The good news: a few simple habits keep you safe.

13 Jul 2026 · Burnie Academy
glp-1 warfarin inr blood-thinner

Some people take a blood thinner called warfarin. It stops dangerous clots in your body. Doctors track it with a blood test called INR. If you also take a GLP-1 medicine for weight or sugar, this test can change. This short guide explains what to watch, in plain words.

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