Why is my dog peeing blood? Could it be a UTI or bladder stones?
Updated On September 23rd, 2025
Pet's info: Dog | Labrador Retriever | Female | spayed | 12 years and 9 months old | 90 lbs
Summers vet said she had some stones, today she kept urinating and had some blood. Called my vet and she said it could also be uti. She prescribed CO-AMOXICLAV to be given 2x day for 10 days. What do I do? What’s ur opinion on this? Thanks And aside this summers is on vetmedin 5mg 2x day and lasix 3 of 40mg also 2x day. Thanks
4 Answers
Most Helpful Answer
Published on January 13th, 2019
Blood in the urine can be from a urinary tract infection for which Clavamox is usually an appropriate antibiotic. Blood in the urine however can also be due to crystals that are forming and irritating the bladder/urethral lining. If you haven’t already submitted a urine sample for a urinalysis (to determine specific gravity /whether the kidneys are concentrating the urine properly, whether there is glucose in the urine which is usually a symptom of diabetes, whether there is bacteria/white blood cells in the urine and whether there are crystals and what kind, I would recommend submitting a urine sample to your vet’s office for a urinalysis and then starting the antibiotics prescribed. If Summer has stones, she likely has crystals as well and may benefit from being on a prescription crystal dissolving diet such as Royal Canin Urinary S/O or Hills C/D for life depending on the type of crystals seen. Best of luck!
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on October 7th, 2018
It could be that Lacey has a UTI or bladder stones causing the blood in her urine. It could also be due to something more serious such as leptospirosis or toxin exposure. This is something that needs to be checked out by a vet first thing in the morning. The vet can diagnose the cause of the blood in her urine, and can treat her for it. Best of luck, I hope this helps!
1Pet Parents found this answer helpful
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Published on June 25th, 2017
Poor Bailey! I'm sorry to hear that she's having this problem. If she is having dark red blood and clots in her urine while she is still on antibiotics and her special urinary diet, something is definitely wrong. She may have an antibiotic-resistant urinary tract infection, bladder stones, or even a bladder tumor. I would recommend taking her to your vet tomorrow to have this checked. It sounds like she needs some diagnostic testing to help determine what's wrong - your vet will likely recommend a urinalysis, urine culture, and x-rays +/- ultrasound of her bladder to help diagnose the problem so that she can get started on appropriate treatment.
2Pet Parents found this answer helpful
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Published on January 3rd, 2017
Kelsey needs to be seen by a veterinarian today. This is an emergency now. She may have had a urinary tract infection originally, but now could have a serious chronic kidney infection or bladder infection, cancer of the bladder or polyps or other problems with the lining of the bladder. Please take her to your vet today for an exam, urinalysis and further diagnostics if needed. She will need prescription antibiotics for at least 21 days and depending on the diagnosis may need other treatments as well.
1Pet Parents found this answer helpful
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