Blood in your cat's poo

By
✔ MRCVS
BVMS
Updated October 16, 2025
4 min read

What to do

Causes

When to worry

Prevention

Diagnosis

Home treatment

Recommended products

Vet treatment

Risk

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Blood in your cat's poo

By
✔ MRCVS
BVMS
Updated October 16, 2025
4 min read

Discovering blood in your cat's poo can be concerning. Blood in poo is a non-specific symptom in cats, with numerous potential causes. Many of which are easily treatable. While some cases may resolve without medication, there are a few instances where it can escalate into a life-threatening emergency. It's important to consult a veterinarian promptly if you notice blood in your cat’s poo.

Fresh red blood in the poo is known as haematochezia. This symptom is linked to bleeding in the lower digestive tract, from the small intestine to the rectum. Black, tarry stools are also a sign of blood; this is known as melaena or digested blood. This usually comes from the upper digestive tract, from the mouth to the stomach. The term colitis is often used with blood in the poo. It means inflammation of the large intestine.

Blood in your cat's poo: What to do >Blood in your cat's poo: What to do [What to do

Most common causes of blood in your cat's poo >Most common causes of blood in your cat's poo [Causes

When to worry about blood in your cat's poo >When to worry about blood in your cat's poo [When to worry

Tips on how to prevent blood in your cat's poo >Tips on how to prevent blood in your cat's poo [Prevention

What tests are needed when there is blood in your cat's poo? >What tests are needed when there is blood in your cat's poo? [Diagnosis

How to help at home when there is blood in your cat's poo >How to help at home when there is blood in your cat's poo [Home treatment

Recommended products >Recommended products [Recommended products

Vet treatment for blood in your cat's poo >Vet treatment for blood in your cat's poo [Vet treatment

Are some cats more at risk of blood in their poo? >Are some cats more at risk of blood in their poo? [Risk

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