How can I tell if my dog has a food intolerance?
Ida Bashirian
2025-09-28 19:06:23
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The clinical signs of a food allergy are usually itchy skin, paws, or ears or digestive disturbances such as vomiting or diarrhea. Other more subtle changes can also occur, including hyperactivity, weight loss, lack of energy, and even aggression. The most common food allergens in dogs are proteins, especially those from dairy, beef, chicken, chicken eggs, soy, or wheat gluten. Virtually any food ingredient can produce an allergy, however. To be a true elimination trial, this special diet must not contain any ingredients that your dog has eaten in the past. If your dog's allergy symptoms resolve while on the food trial, the next step is to perform a food challenge by re-introducing your dog's old food. If your dog's symptoms resolve with the food trial and return within one week of a food challenge, your dog has been definitively diagnosed with a food allergy.
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