Join Date: Apr 2008
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We had a dog who was allergic to grass, cats!, fleas, and many pollens. Dogs can have allergies just like people. When you start sneezing, they might also (or scratching/licking).
It can take a long time to find the allergen. If the scratching/licking is constant all year long, it is usually a food allergy. If it is periodic, it is an inhalant or seasonal allergy. The easiest is to rule out flea allergy.
Our allergy specialist told us NOT to start switching food while the dog is experiencing a rise in histamine. If you do, the dog could develop an allergy to substances they are exposed to while in this allergic state. Keep the food the same and eliminate other sources first--this is what we have been told. Of course, if your animal is experiencing clear food allergy signs of vomiting, diarrhea, mucousy stools, etc. then definitely change the food.
I hope this helps.