Sweet itch is typically associated with the warmer months of the year when biting insects are more prevalent. However, some horses may experience sweet itch symptoms during the winter months.

While the risk of sweet itch is generally lower in the winter due to reduced insect activity, horses that live in areas with mild winters or are stabled in heated barns may still be exposed to biting insects. Additionally, some horses may develop sweet itch due to other allergens or irritants present in their environment, such as mold or dust.

It’s important to note that not all horses with sweet itch will experience symptoms year-round, and the severity of symptoms may vary depending on the individual horse and their environment. Some horses may experience only mild itching or skin irritation during the winter, while others may experience more severe symptoms.

If you suspect that your horse may be experiencing sweet itch or other skin issues during the winter months, it’s important to consult with your veterinarian. Your veterinarian can help to identify the underlying cause of your horse’s symptoms and recommend an appropriate management plan, which may include fly control, environmental management, and topical or oral medications to manage itching and inflammation.

Here are some tips for managing sweet itch in the winter:

Maintain a clean and dry environment

Sweet itch can be aggravated by moisture and dirt, so it’s important to keep your horse’s living area clean and dry. Remove any wet bedding or manure promptly, and consider using shavings or other dry bedding materials.

Use fly repellent

Even in the winter, there may still be biting insects that can aggravate sweet itch. Use a fly repellent spray or wipe on your horse to help keep biting insects at bay.

Dress your horse appropriately

In colder weather, it’s important to dress your horse appropriately to keep them warm and comfortable. However, it’s also important to choose blankets and other clothing items that won’t aggravate sweet itch. Look for breathable materials that won’t trap moisture against your horse’s skin.

Manage your horse’s diet

Some studies have suggested that sweet itch may be linked to certain dietary factors, such as high sugar and starch intake. Talk to your veterinarian about your horse’s diet and whether any changes could help to manage sweet itch symptoms.

Consider topical treatments

If your horse is experiencing itching or skin irritation due to sweet itch, there are a variety of topical treatments that may help. These can include medicated shampoos, creams, or sprays that contain soothing ingredients like aloe vera or oatmeal.

Work with your veterinarian

If your horse is experiencing sweet itch symptoms during the winter, it’s important to work closely with your veterinarian to develop an appropriate management plan. Your veterinarian may recommend additional treatments or medications to help manage your horse’s symptoms.


Overall, managing sweet itch in the winter requires a multifaceted approach that takes into account your horse’s environment, diet, and overall health. By working closely with your veterinarian and taking steps to minimize exposure to biting insects and other irritants, you can help keep your horse comfortable and healthy throughout the winter months.

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