When dry, it can become airborne. Cat allergy shots are a type of allergy immunotherapy (AIT) called subcutaneous ...

"While it's difficult to quantify how common these allergies are, many cases likely go unnoticed by the kitty's owner," a vet told Newsweek.

Cats can also develop allergies to environmental factors, much like humans. Pollen, dust mites, mold, and even certain types of grass or plants can trigger allergic reactions in sensitive cats.