Pocket VetBritish Shorthair health guide
British Shorthairs are calm, plush-coated companions. Their laid-back nature makes weight the everyday battle, and the breed carries some heart and kidney risk.
Size
Medium to large (4–8 kg)
Lifespan
12–17 years
Energy
Low
Common health concerns
Hypertrophic cardiomyopathy (HCM)
The breed's main inherited concern; screening helps.
Obesity
Low energy + sturdy build = easy weight gain, which strains joints and organs.
Polycystic kidney disease (PKD)
Less common than in Persians but present in some lines.
Dental disease
Routine watch item.
Care tips
- ✓Measure food — don't free-feed
- ✓Encourage play in short sessions
- ✓Ask about HCM/PKD screening
- ✓Annual vet checks with weight tracking
Worried about your British Shorthair?
Describe the symptoms (add a photo) and get an instant, calm triage — home care, vet soon, or emergency.
Check my cat nowSigns that need a vet
- ●Fast or laboured breathing — emergency
- ●Steady weight gain
- ●Increased thirst/urination (kidneys)
- ●Reduced grooming or appetite
Frequently asked
Why is my British Shorthair gaining weight?
The breed is calm and food-loving, so calories in beat calories out easily. Measured meals, puzzle feeders, and short daily play sessions keep them lean.
How long do British Shorthairs live?
Commonly 12–17 years, with many reaching their late teens when kept lean and screened for heart disease.
More cat breeds
Pocket Vet editorial team
Written and maintained by the Pocket Vet editorial team using authoritative veterinary sources. Reviewed June 9, 2026. This guide is informational only and not a substitute for professional veterinary care — see our editorial & safety policy. When in doubt, contact your vet; in a true emergency, go to an emergency clinic immediately.
Sources