MY FATHER STARTED TAKING WARFARIN A WEEK AGO AFTER A HEART VALVE REPLACEMENT. HE HAS BEEN SUFFERING SEVERE JOINT PAIN SINCE SATURDAY AND HAS BEEN TAKEN BACK INTO HOSPITAL. IS THIS A PERMANENT THING OR IS IT RELATED TO HIS DOSE. CAN ANYONE HELP?
warfarin muscle cramps dry cough heart attack joint pain rest of my life heart valve replacement