My husband has had bladder cancer operation they removed his bladder and made Indiana pouch. Since the operation in june he keep getting infections including in his blood .he had transfusions during the operation. Symptoms start with urine very dark, low grade fever, back pain then very high fever with headache chills he has been tested for bacteria was givin cipro and it goes away but comes right back around 4-6 week, has had this happen iver 8 times now any suggestions ? Thanks kori