Devon Rex Health Problems
Devon Rex cats have unique health considerations related to their distinctive coat and body type. Generally healthy, they require attention to skin, muscle, and heart health.

Devon Rex Lifespan: What to Expect
Devon Rex typically live 12-15 years with proper care and attention to their specific needs.
Average lifespan: 12-15 years
Genetic Factors
The Devon Rex mutation affects hair structure. Some lines carry genes for heart and muscle conditions.
Common Health Issues in Devon Rexs
Hypertrophic Cardiomyopathy (HCM)
Devon Rex have an increased incidence of this heart condition that thickens the heart muscle.
Prevalence: Higher than average
Symptoms to watch for:
- Rapid breathing
- Lethargy
- Hiding
- Sudden collapse
Devon Rex Myopathy
A hereditary muscle disease specific to Devon Rex causing muscle weakness.
Prevalence: Genetic test available
Symptoms to watch for:
- Head bobbing
- Muscle weakness
- High stepping gait
- Difficulty swallowing
Skin Conditions
Their thin coat makes skin conditions more visible and sometimes more problematic.
Symptoms to watch for:
- Oil buildup
- Dermatitis
- Malassezia infections
Patellar Luxation
Loose kneecaps more common in this breed.
Symptoms to watch for:
- Skipping gait
- Leg held up
- Stiffness
Common Causes of Death
Understanding what Devon Rexs typically face helps you watch for warning signs and make informed decisions about their care.
- Heart disease (HCM) (30%): Hypertrophic cardiomyopathy.
- Devon Rex Myopathy (15%): When inherited.
- Kidney disease (20%): Common in older cats.
- Cancer (15%): Various cancers.
Warning Signs to Watch For
- Breathing changes
- Muscle weakness or trembling
- Head bobbing or difficulty eating
- Excessive skin oil or irritation
Preventive Care
- Annual echocardiogram for heart screening
- Genetic testing for myopathy
- Regular skin care and ear cleaning
- Warmth-they get cold easily
Sources
This information is compiled from veterinary research and breed-specific health studies:
- https://icatcare.org/advice/devon-rex/
- https://www.ufaw.org.uk/cats/devon-rex
Devon Rex Health FAQs
- How long do Devon Rexs live?
- Devon Rexs typically live 12-15 years. Devon Rex typically live 12-15 years with proper care and attention to their specific needs.
- What are common health issues in Devon Rexs?
- The most significant health concerns for Devon Rexs include Hypertrophic Cardiomyopathy (HCM), Devon Rex Myopathy, Skin Conditions. Devon Rex have an increased incidence of this heart condition that thickens the heart muscle.
- Is 9–15 years a normal lifespan for a Devon Rex?
- Devon Rex typically live 12-15 years with proper care and attention to their specific needs.