Cat Hyperesthesia Syndrome: Recognition and Care

Feline Hyperesthesia Syndrome is a poorly understood condition causing episodes of abnormal skin sensitivity and self-directed behaviour in cats.

Key Facts

FHS causes episodes of rippling back skin, sudden aggression or vocalisation, tail chasing, and excessive grooming often directed at the tail base
The condition may represent a compulsive disorder, a partial seizure equivalent, or a pain response in different affected cats
Siamese, Abyssinian, Burmese, and Himalayan breeds are reportedly predisposed
Diagnosis is one of exclusion — allergic skin disease, pain, and true seizure disorders must be ruled out first
Treatment varies by suspected underlying mechanism — anti-epileptics, SSRIs, environmental enrichment, and dietary change all have reported success

Welfare Considerations

FHS causes visible distress — cats appear to be responding to painful or intensely uncomfortable skin sensations during episodes. Severe cases involve self-mutilation of the tail and hindquarters. The episodic nature and variable response to different treatments suggest the syndrome may represent multiple underlying conditions grouped under one label. Whatever the mechanism, the welfare goal is reducing episode frequency and intensity through systematic investigation and treatment.

What You Can Do

Seek full veterinary assessment including dermatological and neurological evaluation before pursuing FHS treatment
Record videos of episodes to help your vet characterise the nature and severity of the condition accurately
Implement environmental enrichment and stress reduction as initial management alongside medical evaluation
Work with a feline specialist or veterinary neurologist for cases refractory to initial management approaches