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Interaction Rating: Moderate Be cautious with this combination.
Talk with your health provider.
Warfarin (Coumadin) is used to slow blood clotting. There are several reports showing that taking chondroitin with glucosamine increases the effect of warfarin (Coumadin) on blood clotting. This can cause bruising and bleeding that can be serious. Don't take chondroitin if you are taking warfarin (Coumadin).
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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