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Breathing problems
Quick answer
**Open-mouth breathing in cats is always abnormal** — treat as an emergency. Fast, shallow breaths at rest may mean **asthma, heart disease, fluid around the lungs, pain, or anaemia**. Minimise stress on the way to the vet — use a carrier and avoid unnecessary handling.
Key takeaways
- Rarely — brief panting after intense play or in extreme heat can occur but is uncommon. Panting or open-mouth breathing at rest usually indicates distress and needs urgent vet assessment.
- Yes — feline asthma causes wheezing, coughing, and fast breathing. Episodes may come and go. Diagnosis and treatment need veterinary assessment.
- Breathing may briefly speed up after exertion but should settle within minutes at rest. Persistent fast shallow breaths while resting is not normal.
The full guide
Causes, symptoms, treatment options and when to call your vet — in the complete plain-English guide.
Frequently Asked Questions
- Do cats pant like dogs?
- Rarely — brief panting after intense play or in extreme heat can occur but is uncommon. Panting or open-mouth breathing at rest usually indicates distress and needs urgent vet assessment.
- Can asthma cause fast breathing in cats?
- Yes — feline asthma causes wheezing, coughing, and fast breathing. Episodes may come and go. Diagnosis and treatment need veterinary assessment.
- Is fast breathing after play normal?
- Breathing may briefly speed up after exertion but should settle within minutes at rest. Persistent fast shallow breaths while resting is not normal.