Thank you for replying. Ultrasound was on all of his abdomen - bladder, kidneys and liver. Blood work shows kidneys functioning well. I am not just monitoring it, as vets suggested, but continuing to try things and get other opinions, which is why I posted here.
My ten year old male cat Toki has had blood in his urine for 5 months. He has no other symptoms. He has had urine tests, blood test, Xray and ultrasound and all come back perfectly normal. The diagnosis is ideopathic UTI. The vet has basically said nothing we can do. He has had antibiotics, and...