Many medications as well as dietaary changes may effect the potency of coumadin. The most
commonCommon cold are medications for ulcer. I have not heard that celebrex would cause this.
You may refer to the package insert for coumadin and there will be a complete listing of all poteential side effects of this medication.
sincerely, Kim Lovellette
I am not certain what this may be. Please check with a hematology site for more information.