Medical Library
REP

Pyometra

CRITICAL EMERGENCY

Overview

Pyometra is a life-threatening infection of the uterus in unspayed female dogs/cats. Pus fills the uterus, releasing toxins into the blood (sepsis). It typically occurs 4-8 weeks after a heat cycle.

Key / Hallmark Signs

  • Abdominal distensionEmergency
  • Vaginal discharge
  • Lethargy
  • Bleeding from vagina
  • Swollen abdomen
  • Pale gumsEmergency
  • Sudden collapseEmergency
  • Frequent urination
  • Excessive thirst
  • Abdominal swelling
  • Vomiting
  • Vulva swelling
  • Loss of appetite
  • Weakness
  • Fever

What to do?

This condition requires veterinary attention.

If your animal shows the Key or Common signs listed, please visit a clinic immediately. This is a life-threatening emergency.

Report Case / Get Help

Medical Details

Transmission

Hormonal/Bacterial. Not contagious.

Progression & Stages

"Open" pyometra: Pus drains from vulva. "Closed" pyometra: Pus trapped inside, uterus risks rupture (most dangerous).

Diagnosis

Ultrasound (fluid filled uterus). Blood work (High WBC).

Treatment Protocols

Emergency Spay (removal of infected uterus). IV fluids and antibiotics.

Prevention

Spaying.

Prognosis

Good with surgery. Fatal without treatment.

Medical References

  • Merck Veterinary Manual, VCA Hospitals

Medical DisclaimerThis information is for education only and does not replace examination, diagnosis, or treatment by a qualified veterinarian.