Unfortunately, allergies are quite common in dogs of all breeds and backgrounds. Most allergies appear after the pet is six months of age, with the majority of affected dogs over age one or two.
Can a dog suddenly become allergic to his food?
A: That's common in food-allergic dogs. They have to be sensitized; they have to have been exposed for some period of time. So, in general, they're not going to react really dramatically the first time they eat it but a dog that has eaten a food for years could suddenly become allergic to that food.
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.
What is the most common food allergy in dogs?
Dogs are most commonly allergic to the following foods (in descending order): beef, dairy, wheat, egg, chicken, lamb/mutton, soy, pork, rabbit, and fish. Rabbit and fish are by far less common food allergens than the others.
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