Many people don’t realize that their pets, just like human beings, can suffer from allergies. In fact, about twenty percent of the pets in the United States alone suffer from one allergy or another, with flea allergy dermatitis being the most common form of allergies in pets. Other types include atopic dermatitis, food allergies, and inhalant allergies. Signs and symptoms of pet allergies may vary but are often marked by persistent itching and discoloration of the skin (most common in skin allergies), coughing, sneezing, wheezing, and mucus discharge (most common in inhalant allergies), and nausea, lethargy, vomiting, and diarrhea (common to food allergies and other ailments.) Over-the-cou