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Updated on September 23rd, 2025
Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 22 lbs
My dog has prostate cancer. He is getting chemo therapy threw IV every 3 weeks. Yesterday he had a treatment. He recently started wearing a diaper and today I see his pee is discored... kinda a brown washed out red... is that the chemo? I know his pee is toxic for 72 hrs... but I've never seen the toxic pee up close so I'm worried is it blood or chemo in his pee?
1 Answer

Answered By Ricardo Fernandez, DVM
Veterinarian, Veterinary Oncology Resident
Published on February 1st, 2018