My Husband Had His Appendix Remove 3 Weeks Ago And

My husband had his appendix remove 3 weeks ago and now he has blood in this urine. The doctor had given him urine infection mediacation which didnt help. They changed his medication and asked him to come back in 7 days. He had taken his new medication for past 4 days and he has not
Seen any improvement. He also suffer from pain in ring of his peanus. I am
Really worried as i feel
He is not getting the right attention. Could you suggest something.
Farah