Which Pain Relievers Don't Thin Blood?

Because COX-2 inhibitors such as Celebrex and Bextra do not impair blood clotting, they are recommended for patients taking medications such as warfarin (Coumadin) to thin the blood. This type of pain reliever can be taken after surgery without the risk of increased bleeding. COX-2 inhibitors also are less likely to cause gastrointestinal side effects and ulcers, according to Spine-Health.

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