Feline Asthma: What to Watch For
Recognize signs early and understand treatment options.
What Is Feline Asthma?
Feline asthma is a chronic inflammatory condition of the lower airways, similar to human asthma. It affects roughly 1-5% of cats. When triggered, the airways constrict, fill with mucus, and make breathing difficult—sometimes dangerously so.
Emergency: open-mouth breathing, sides heaving, or gums that are blue or white. Do not wait. Go now.
Signs to Watch For
Coughing
A dry, hacking cough—often mistaken for hairballs. The cat crouches low with neck extended. No hairball comes up.
Wheezing
Audible whistling or labored breathing, especially when exhaling. You may hear it across the room.
Rapid breathing
Resting respiratory rate over 40 breaths per minute. Count while your cat sleeps for accuracy.
Open-mouth breathing
Cats should never breathe through their mouths at rest. This indicates severe respiratory distress.
Lethargy & reduced appetite
Chronic difficulty breathing causes fatigue. Your cat may play less and eat less.
Squatting posture
Cat hunches with neck extended, shoulders forward, trying to open airways.
Common Triggers
Environmental
- • Dust & dust mites
- • Cigarette smoke
- • Air fresheners
- • Cleaning products
Seasonal
- • Pollen
- • Mold spores
- • Grass
- • Wildfire smoke
Household
- • Scented litter
- • Perfumes
- • Candles
- • Aerosol sprays
Diagnosis & Treatment
Diagnosis
Chest X-rays typically show a characteristic "doughnut" pattern in the airways. Your vet may also recommend bloodwork, fecal testing (to rule out lungworm), and sometimes bronchoscopy or a BAL (bronchoalveolar lavage) for definitive diagnosis.
Treatment Options
- Inhaled steroids (Fluticasone via AeroKat): Gold standard. Delivers medication directly to the lungs with minimal systemic side effects.
- Oral steroids (Prednisolone): Used for acute flares or when inhalers aren't practical. Long-term use has side effects.
- Bronchodilators (Albuterol): Rescue inhaler for acute episodes. Opens airways quickly but doesn't treat inflammation.
- Environmental management: Reduce triggers. Switch to unscented litter, use HEPA filters, avoid smoking indoors.
Living with an Asthmatic Cat
Learn to count resting respiratory rate at home (normal: under 30/min sleeping)
Keep a symptom diary to identify triggers
Switch to dust-free, unscented litter
Use HEPA air purifiers in rooms your cat frequents
Maintain a healthy weight—obesity worsens breathing
Schedule regular vet rechecks to adjust medications
Keep emergency vet contact info posted visibly
Related Reading
Educational only. Not medical advice. Consult your veterinarian for diagnosis and treatment.