Why Is My Cat Panting?
Veterinary references checked with PetHealth+ · Last reviewed June 2026
By Kaiser Khan , Founder Veterinary references checked with PetHealth+ ( process ) Last reviewed Cite this page How we research & review
Unlike dogs, panting in cats is usually abnormal. Heat, stress, heart disease, and asthma are causes — treat open-mouth breathing as urgent.
After exertion
Brief panting after intense play may occur but should stop quickly.
Heat and stress
Car travel and vet visits trigger panting — cool and calm.
Medical
Heart failure and lower airway disease cause respiratory distress.
Related: Cat breathing fast · Heatstroke in dogs
Frequently asked questions
Do cats pant in hot weather?
They can — but prefer finding shade; prolonged panting needs attention.
Is panting normal after cat fights?
Stress panting can occur — check for wounds and breathing normalisation.
Can obesity cause panting?
Yes — excess weight strains heart and lungs.
When is cat panting an emergency?
Open-mouth breathing at rest, blue gums, or collapse.