Horse Headshaking Syndrome: A Painful Neurological Condition

Equine headshaking syndrome causes severe neuropathic facial pain in affected horses, profoundly affecting welfare and working ability.

Key Facts

Headshaking syndrome causes involuntary violent vertical head movements and signs of extreme facial discomfort in affected horses
The condition is caused by trigeminal nerve hypersensitivity with UV light and pollen as common triggers in photosensitive cases
Affected horses often show signs described as burning or electric shock sensations in the muzzle and nasal region
Cyproheptadine, melatonin, and surgical trigeminal nerve treatment offer partial relief for some affected horses
Noseveils and UV-blocking masks reduce light-triggered episodes in photosensitive headshakers providing important welfare relief

Welfare Considerations

Headshaking syndrome causes severe neuropathic pain that profoundly impacts horse welfare and often renders horses completely unable to be ridden or worked. The condition is frequently misdiagnosed as behavioral problems, delaying appropriate welfare management and subjecting horses to inappropriate training responses to what is actually neurological pain. Recognition and diagnosis by veterinarians familiar with the syndrome, followed by appropriate management including trigger avoidance and pharmacological support, can substantially improve welfare for affected horses.

What You Can Do

Recognize headshaking as likely neurological pain requiring veterinary assessment rather than behavioral correction
Use UV-blocking noseveil equipment for photosensitive headshakers to reduce trigger exposure
Seek referral to equine neurologists or specialists experienced with headshaking syndrome for optimal management
Support research into improved treatments for equine trigeminal pain including novel pharmacological approaches