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Food Allergies in Dogs
What are food allergies in dogs?
It is one of the five most common allergies or hypersensitivities known to affect dogs. Most people know someone who is allergic to certain foods, such as strawberries or nuts. It is only recently that dog food allergies have become recognized. The signs are usually itchy skin or an upset stomach. Other more subtle changes can also occur including hyperactivity, weight loss, lack of energy and even aggression.
What are the signs of food allergies in dogs? My canine just seems to itch and occasionally has diarrhea.
Many canines will occasionally react to something they ate. This may be sensitivity to a particular type of food. The symptoms are often not
a true
allergy, just mild gastrointestinal upset. Once you associate the upset with a
particular food and avoid it, the problem is usually solved.Food allergies in dogs is different. Antibodies are produced against some part of the food, usually a protein. In a pet with food allergy, the immune system overreacts and produces antibodies to substances that it should normally tolerate. This excessive response is termed an allergic reaction. Most canines with food allergies have itching rather than vomiting or diarrhea.
Are some ingredients more likely to cause allergies than others?
The most common food allergies in dogs are proteins from dairy products or beef or gluten (from wheat). Each time a canine eats food containing these substances, the antibodies react and symptoms such as itching, vomiting or diarrhea occur.
Are these the only food constituents likely to cause food hypersensitivity?
No, virtually any food or ingredient can produce a dog food allergy. Proteins are the most common cause but other substances and additives can also be responsible.
How is the condition diagnosed?
Until recently feeding an elimination diet was the only means of determining the presence of a food allergy. This is a hypoallergenic diet which contains none of the ingredients of the previous diet. Elimination diet trials had to be fed for a minimum of 8 to 12 weeks.
Today there are blood tests that will give an accurate indication of whether the dog is allergic to food or not.
How is the condition treated?
Once the offending food substance has been identified, a diet is chosen that does not contain these particular substances. Today there are a number of commercially available, palatable, hypoallergenic diets on
which the dog can be fed for the rest of his life. Prescription Diet z/d has
special hydrolyzed proteins and is an excellent choice for pets with food
allergy.Occasionally commercial diets containing the right constituents may not be available or your pet will not eat them. If this occurs, you may have to prepare a home cooked diet.
Can the problem be cured?
The only cure is avoidance. Some pets will require medication during severe episodes but most pets can be successfully treated with a hypoallergenic diet.
Is it likely that my dog could develop other food allergies?
It is not uncommon for dogs that have developed an allergy to one particular food to develop other food-related allergies. Additionally, most dogs with food allergies are also allergic to fleas, pollens etc.
If you think your pet may have a dog food allergy, feel free to talk with our staff. We can help both you and your pet resume a healthier, “itch-free” life!
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