My dog has a UTI with blood. Is it contagious? How to prevent relapse?

Question

Hi my 9 y/o spayed gal had blood in urine. Urine culture shows Proteus mirabilis (greater than 100k organisms per ML and E Coli (10-50k per ML). She is on Clavamox and Ciprofloxcin concurrently. What is the prognosis? How might she have contracted these bacteria? Are they contagious to my other dogs and cat? How can I prevent relapse? Any other complications? Thank you for your time! Pet's info: Dog | Mixed Breed | Female | spayed | 8 years and 4 months old | 45 lbs

Laura Johnson VMD · Accepted Answer

HI, thanks for using Petco Pet Education Center, formerly Petcoach! The most common cause of UTIs are ascending infections (bacteria from stool gets on the vulva). If this is her first UTI, the prognosis is good. This is not contagious to you or your other pets. To prevent relapse, follow the course of antibiotics and do the recommended follow up from your Vet. I recommend rechecking the culture 7-10 days AFTER finishing all the antibiotics to be sure it is gone. If it isn't gone or she gets another infection I would check for bladder stones with an X-ray, do blood work that also checks her thyroid and be sure that your Vet checks her vulva. Sometimes there is an infection around the vulva or the vulva is recessed predisposing to re-infection and chronic UTIs. An ultrasound can also be done to be sure there isn't a bladder tumor in dogs with chronic UTIs Complications of untreated UTIs are rare but kidney infections and resistant bacteria. I wish Val the very best!

My dog has a UTI with blood. Is it contagious? How to prevent relapse?

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