In more severe cases, your dog may have an immediate reaction, breaking out in hives, swelling, and vomiting shortly after ingesting the allergen. In many cases, however, it can take several minutes or hours, or as many as 14 days for your dog to start presenting symptoms. 21 окт. 2021 г.
How long does it take for a dog to show allergic reaction to food?
Skin issues: Hives, also known as urticaria, may pop up 6 to 24 hours after your dog eats the food they are allergic to. If your dog has short hair, these itchy red bumps are easier to see. Otherwise, you may have to feel for them. In cats, skin irritation may take longer to see.
How can you tell if your dog is allergic to food?
In the dog, the 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.
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