Cat Black Tarry Discharge from Vulva: Causes & Emergency Guide

TL;DR: Black tarry discharge from a cat's vulva is a medical emergency often signaling a life-threatening infection like pyometra or tissue decomposition. Seek immediate veterinary care to prevent fatal complications like sepsis.

What does it mean if my cat has black tarry discharge from her vulva?

Black or tarry discharge from a cat's vulva is typically a sign of necrotic (dying) tissue, old blood, or a severe infection within the reproductive tract. In many cases, this is associated with a life-threatening uterine infection called pyometra, or complications related to pregnancy such as a retained fetus or placenta that has begun to decompose. This is not a normal finding in healthy cats and requires professional medical intervention.

Is black discharge from my cat's vulva a veterinary emergency?

• The urgency level for this symptom is High, as black discharge often indicates decomposition or systemic infection.
• Your cat is at high risk for sepsis, which can be fatal if not treated within hours.
• Transport your cat to an emergency clinic immediately if they are also lethargic, refusing food, or have a swollen abdomen.

How does providing a photo of the discharge help the veterinary triage team?

• A clear photo allows the triage team to assess the volume, consistency, and exact color of the fluid.
• This visual information helps them determine the severity of the situation.
• It allows the clinic to prepare necessary surgical or stabilization equipment before you even arrive.