Does Ibuprofen Thin Your Blood?

Yes, ibuprofen does have mild blood-thinning effects, though it's not classified as a traditional blood thinner. Ibuprofen inhibits cyclooxygenase enzymes, which reduces platelet aggregation and can extend bleeding time by 1-2 minutes. This effect typically lasts 4-6 hours after taking a dose. Studies show that regular ibuprofen use increases bleeding risk during surgery, which is why doctors recommend stopping it 7-10 days before procedures. The blood-thinning effect is much weaker than prescription anticoagulants like warfarin or aspirin's cardioprotective doses. However, combining ibuprofen with other blood thinners can significantly increase bleeding risk, making medical supervision essential for people on anticoagulation therapy.