Get In Touch (703) 726-9720 What Is a Pet Allergy? A pet allergy occurs when your immune system overreacts to proteins found in animal skin flakes (dander), saliva, or urine. When these microscopic particles are inhaled or come into con tact with your eyes, nose, or skin, your body releases histamine and other chemicals that trigger allergy symptoms. Pet allergies are common and can affect people of all ages. While cats and dogs are the most frequent culprits, other animals like birds, rabbits, and rodents can also cause allergic reactions. Request [...]