Bladder infection in dogs – signs and what to do

Updated 2026-09-30 · 1 sources

Based on: PDSA

Contact a vet today

Contact your vet today if you think your dog has this – it can become serious. A bladder infection is an infection of a dog's bladder, also called a UTI.

What you can do now

  1. Contact your vet today.
  2. Note when it started, how often it happens and what else you see.
  3. Take a photo or short video to show the vet.
  4. Keep fresh water available.
  5. Let your dog rest somewhere calm.

Don't

  • Do not give any human medicine.
  • Do not wait if it gets worse.

What it is

Bladder infections in dogs, also called UTIs, are usually caused by bacteria and are more common in female dogs.[1] They can cause painful or difficult peeing, more frequent peeing and blood in the urine.[1]

Signs

  • Pain when peeing
  • Straining to pee
  • Strong-smelling pee
  • Peeing more often
  • Peeing in very small amounts
  • Peeing in the house
  • Blood in urine
  • Licking their private parts
  • Painful abdomen (tummy)

Causes and risk factors

  • Bacteria
  • More common in female dogs

How a vet finds out

  • Questions about your dog
  • Feeling your dog's bladder
  • A fresh urine sample
  • Blood tests
  • X-rays
  • Ultrasound of the bladder

How vets treat it

  • Antibiotics
  • Anti-inflammatories
  • Pain relief
  • Diet change

What the experts say

“Treatment for a UTI is likely to include: Antibiotics — a short course of antibiotics is usually an effective cure for a bladder infection. It’s important that you follow your vet’s instructions and complete the whole course of antibiotics.”

If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

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Common questions

What is a bladder infection in dogs also called?

A bladder infection in dogs is also called a UTI.[1]

What signs can a bladder infection cause?

Signs can include painful or difficult peeing, peeing more often and blood in the urine.[1]

How might a vet treat a bladder infection?

Treatment is likely to include antibiotics; follow your vet's instructions and complete the whole course.[1]

Sources

  1. PDSA

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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