Why Is My Cat Panting

This page is educational reference material for preparing questions. A licensed veterinarian examines the animal, makes the diagnosis, and sets the treatment.

Cat panting causes: heat, stress, pain, heart disease, and asthma. Panting is rarely normal in cats and often signals a problem.

Understanding This Symptom

A subtle shift in a cat’s behaviour is often the first and only early warning. Catching it depends entirely on knowing their baseline. This page covers the most common causes, warning signs that indicate an emergency, and what you can expect at the veterinarian.

Common Causes

Less Serious Causes

More Serious Causes

• Poisoning or toxic exposure

What to Watch For

• Lethargy or reluctance to move or play
• Vomiting, diarrhea, or changes in stool

Home Care and First Steps

Veterinary Diagnosis

Your veterinarian will typically:

• Perform a thorough physical examination

Treatment Options

Prevention

Long-Term Management

When to Get a Second Opinion

Related Symptom Guides

• Why Is My Cat Not Eating?
• Why Is My Cat Vomiting?
• Why Is My Cat Hiding?
• Why Is My Cat Sneezing?
• Why Is My Cat Losing Weight?

Should I go to the emergency vet?

Open-mouth breathing or panting in a cat is an emergency. Cats do not pant to cool off the way dogs do. Go now if the cat is crouched, the gums are blue or pale, or the breathing has been fast at rest.

How much will treatment cost?

The clinic may start oxygen before a long exam. Chest films, a heart check, and bloodwork are the costs once the cat is stable. Ask what stabilization includes. A calm car ride in a carrier with the air on is the right transport.

Can I treat this at home?

Keep the cat in a carrier in a cool, quiet car and skip the extra handling. Do not wrap the cat tightly or offer water during a respiratory crisis. Film the breathing only if it does not delay leaving.