Scottie Cramp in Dogs and Cats

Hereditary non-inflammatory Scotty cramp

An inherited neuromuscular disorder unique to Scottish Terriers (and very rarely, Cesky Terriers), causing temporary episodes of muscle hypertonicity and loss of coordination triggered by exercise or excitement. Despite the name, it isn’t a true cramp or a painful condition — it’s a disruption in nerve signaling.

Symptoms:

Symptoms

A stiff, high-stepping “goose-stepping” gait
An arched spine during episodes
Loss of coordination or stumbling, sometimes causing the dog to somersault while running
In severe episodes, temporary inability to move or curling into a ball
Episodes typically last a few minutes up to 30 minutes and resolve on their own
No pain is associated with the episodes despite the name

Causes

Believed to be caused by a disorder in serotonin metabolism within the central nervous system
Inherited as an autosomal recessive trait, meaning both parents must carry the gene
Episodes are triggered by exercise, excitement, or stress
Usually first becomes apparent in puppies around 6 to 8 weeks of age

Treatments

No cure or specific treatment currently available
Management focuses on avoiding known triggers: minimizing excitement, stress, and overexertion
Medications such as diazepam or serotonin-related drugs may help reduce frequency and severity in more affected dogs
Prognosis is generally good for mild cases; older, adult dogs often learn to self-limit activity as symptoms begin

This condition is common in the following Dogs & Cats

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