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My male dog is peeing blood. Antibiotics aren't working. What's next?

Updated On September 23rd, 2025

Pet's info: Dog | Boxer | Male | unneutered | 75 lbs

My make boxer started peeing n dripping blood from his penis. He has been on antibiotics for a month now. The vet only took a urine sample and said it's a urinary infection, I feel it could be more. My question is could it be n should he have had a blood test and x-rays done ?

1 Answer

Most Helpful Answer

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Answered By Jenna Beyer, DVM, MBA, cVMA

Veterinarian, Certified Veterinary Acupuncturist

Published on August 23rd, 2017

I agree, I feel like there is more. UTIs are very uncommon in male dogs due to the length of their urethra. Bacteria would have to travel a looooong way to get from the penis up to the bladder before more urine came down to flush it away. On the flip side, female dogs are very prone to UTI because their urethra is very short from the outside to the inside, and is much closer to their rectum. More common causes of urinary issues in dogs includes urinary bladder stones, prostatitis, kidney infection/pyelonephritis, and sometimes infections of the testicles. I would recommend a thorough physical exam with palpation of the prostate (if possible, sometimes our fingers just aren't long enough!) and x-rays to look for stones. If the prostate is normal and there are no stones, then bloodwork to look at kidney function and/or a urine culture would be indicated. A less common cause for blood in urine would be bladder cancer or bleeding disorders. If you see Bubba straining to urinate, or if he does not have a good stream of urine in 12 hours, this could indicate a urinary blockage and would be a medical emergency worth seeing an emergency vet.

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