Usually people are allergic to cats and not dogs though
I am allergic to dogs and cats so this is my pet, gizmo. She makes me happy and is very cute.
Pet dander is composed of tiny, even microscopic, flecks of skin shed by cats, dogs, rodents, birds and other animals with fur or feathers. These bits of skin can cause reactions in people who are specifically allergic to these triggers.
If you're allergic to cats or dogs, you are not allergic to their fur, but to the dander (dead skin cells) found in their fur, and proteins found in their saliva or urine. Animal dander is the dead skin cells of animals and contains proteins that can trigger allergies in some people. These allergens can be transported to the skin or fur, where we touch dogs or cats most often, and cause uncomfortable pet allergy symptoms.
Top 3 Allergies in Dogs and Cats - Pets Best
Allergies in Dogs and Cats - Pet Dermatology Clinic
The sad news is that there is no cure for allergies in dogs and cats. There are, however, ways to decrease allergen exposure and to address allergy symptoms in pets. Allergies in dogs and cats occur when the immune system overreacts to something that isn't really a threat. For example, reacting to peanuts, air-borne pollen, or laundry detergent—none of which should cause harm. The material that causes an allergic reaction is called an antigen. Antigens are usually proteins. The term "allergen" is often used rather than the term antigen, but these two terms are slightly different. Antigen refers to any substance causing allergies, and allergen refers to ingested or air-borne substances causing allergies.Allergies in dogs and cats can have signs and symptoms that sometimes look common or that might be attributed to something else. Pet itching and scratching are high on the list, with odor, ear infections, skin infections, surface bumps, and scooting to name a few. Dogs and cats with allergies are itchy. They itch because histamine is released when their immune system attacks the offending allergen. Areas of the skin that most often itch are ears, eyes, feet—even between the toes—arm pits, groin, and around the anus. This itching causes feet biting, head shaking, face rubbing, and bottom scooting. Some pets also bite or scratch their bellies. About 60% of cats that pull out their hair (barbering) and have bald spots (alopecia) have itchy skin from food allergies.