There is no one specific diet that is recommended for horses with sweet itch, as the condition is caused by an allergic reaction to the saliva of biting midges rather than a dietary issue. However, some dietary changes may help to support a horse’s overall health and immune function, which can help to reduce the severity of allergic reactions and other skin issues.

Here are some dietary tips that may be helpful for horses with sweet itch:

Provide a balanced diet

Ensure that your horse is receiving a balanced diet that meets their nutritional needs, including adequate protein, vitamins, and minerals.

Avoid high-sugar feeds

Horses with sweet itch may be more prone to insulin resistance and other metabolic issues, so it’s important to avoid feeding high-sugar feeds such as grains or sweet feeds.

Offer plenty of forage

Providing plenty of high-quality hay or pasture can help to support a horse’s digestive health and may help to reduce inflammation and other skin issues.

Consider supplements

Some supplements, such as omega-3 fatty acids, vitamin E, and probiotics, may help to support a horse’s immune function and overall health.

Consult with a veterinarian

If you have concerns about your horse’s diet or overall health, it’s always a good idea to consult with a veterinarian or equine nutritionist for personalized advice.


It’s important to note that while dietary changes may be helpful for supporting a horse’s overall health, they are not a substitute for other management strategies such as environmental modifications, topical treatments, and the use of specialized rugs or blankets.

If you suspect that your horse has sweet itch, it’s important to work with a veterinarian or equine dermatologist to develop a comprehensive management plan that addresses all aspects of the condition.

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