Pyometra in dogs
Pyometra is a serious infection of the uterus in unspayed females, usually a few weeks after a heat cycle.
Last updated: October 2026 · 3 sources · see sources
Signs to watch for
- Drinking and peeing more
- Vaginal discharge (if open)
- Lethargy
- Vomiting
- Swollen belly
Trouble breathing, collapse, repeated vomiting, not peeing, or a seizure that lasts more than a few minutes needs a vet right away. See when to see a vet.
How vets diagnose it
Ultrasound or X-rays show an enlarged uterus. Bloodwork checks how sick the dog is. [2][3]
How it's treated
Emergency spay surgery is the usual treatment, with fluids and antibiotics. [2][3]
Medicines your vet may mention: Clavamox. We don't list doses; your vet will decide what fits your pet.
What it costs to diagnose and manage
| Item | Typical US price | Src |
|---|---|---|
| Diagnosis (exam and tests) | $300–$600 | [1] |
| Treatment | $1,500–$4,000 | [1] |
These are typical US ranges from the sources listed. Your pet's costs depend on how severe things are, the tests your vet recommends, your pet's size and where you live. Ask your vet for a written estimate.
Outlook
Most dogs recover well after surgery. Spaying prevents it. [2][3]
Common questions
What is pyometra in dogs?
Pyometra is a serious infection of the uterus in unspayed females, usually a few weeks after a heat cycle.
What are the signs of pyometra?
Common signs include: drinking and peeing more, vaginal discharge (if open), lethargy, vomiting, swollen belly.
How do vets diagnose pyometra?
Ultrasound or X-rays show an enlarged uterus. Bloodwork checks how sick the dog is.
How is pyometra treated?
Emergency spay surgery is the usual treatment, with fluids and antibiotics.
How much does pyometra cost to treat?
Diagnosis (exam and tests): $300–$600; Treatment: $1,500–$4,000. Costs vary with severity, tests, your pet's size and where you live.
Related
This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.