Equine

Horse Sweet Itch Management

Sweet itch is a severe allergic skin condition in horses caused by insect bites. Effective management requires year-round preventive strategies.

Key Facts

Sweet itch is caused by hypersensitivity to Culicoides midge bites
Affected horses rub mane and tail areas causing hair loss, skin damage, and open wounds
The condition is lifelong with no cure; management focuses on prevention
Protective rugs and stabling during dawn and dusk reduce midge exposure significantly
Insect repellents, antihistamines, and corticosteroids help manage acute flare-ups

Welfare Considerations

Sweet itch causes intense itching and self-trauma that severely affects horse welfare. Horses may rub until skin breaks, risking infection and permanent scarring. The chronic and seasonal nature of the condition means many horses suffer year after year without adequate management. Owner education about midge biology and prevention timing is key. In severe cases, veterinary corticosteroid treatment during flares may be warranted alongside management changes.

What You Can Do

Fit a well-designed sweet itch rug before midge season begins
Stable horses at dawn and dusk when Culicoides midges are most active
Apply insect repellent products approved for horses regularly
Avoid grazing near water or boggy areas where midges breed
Work with your veterinarian to develop a seasonal management plan