Hello Mary... Try to drink a lot of water it helps bring the fever down and PLEASE call and let your Dr know about the fever. Wishing you all the best.. remember.. water... water.. water.. walk, water,water,walk water,protein shake,water and walk! I know this soon after surgery you feel like you have been hit by a bus and drained of all energy and the last thing on your mind is doing a lot of walking.. Go slow.. please keep in touch