What Might Cause a Horse to Have What Looks Like Hives All Over?
- Insect bites or stings: Horses can be allergic to certain insects, such as mosquitoes, bees, and wasps.
- Certain plants: Some plants, such as poison ivy, poison oak, and stinging nettle, can cause hives when they come into contact with a horse's skin.
- Drugs or medications: Some horses may develop hives as a side effect of certain drugs or medications.
- Food allergies: Horses can also develop hives as a result of food allergies. Some common allergens include alfalfa, corn, and soy.
- Environmental allergies: Horses may develop hives as a reaction to environmental allergens, such as pollen, mold, and dust.
- Stress: Stress can trigger hives in some horses.
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