Condition guide Cats

Pyometra in cats

Pyometra is a uterine infection in unspayed female cats.

Last updated: October 2026 · 3 sources · see sources

Quick answerPyometra is a uterine infection in unspayed female cats. Cost: diagnosis typically runs $200–$500; treatment: $1,000–$3,000 [1].

Signs to watch for

[2][3]

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 and bloodwork. [2][3]

How it's treated

Emergency spay 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

Typical US costs
ItemTypical US priceSrc
Diagnosis (exam and tests)$200–$500[1]
Treatment$1,000–$3,000[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 cats recover well after surgery. Spaying prevents it. [2][3]

Common questions

What is pyometra in cats?

Pyometra is a uterine infection in unspayed female cats.

What are the signs of pyometra?

Common signs include: lethargy, vaginal discharge, poor appetite, swollen belly.

How do vets diagnose pyometra?

Ultrasound and bloodwork.

How is pyometra treated?

Emergency spay with fluids and antibiotics.

How much does pyometra cost to treat?

Diagnosis (exam and tests): $200–$500; Treatment: $1,000–$3,000. Costs vary with severity, tests, your pet's size and where you live.

This page is general information for pet owners, not veterinary advice. Talk to your vet about your own pet.

Sources (3) — tap to show
  1. RealVetCost – Pyometra in cats: symptoms, treatment & costs
  2. Merck Veterinary Manual (pet owner version) – Reproductive disorders of female cats
  3. American College of Veterinary Surgeons (ACVS) – Pyometra