This article will discuss the different types of allergies and how long they last. It will also cover factors that impact allergy duration. The length of time an allergic reaction can last varies ...

Cats are one of the most popular household pets, but between 5% and 20% of people have some degree of cat allergy. Cat allergy symptoms and severity can vary based on your sensitivity, the amount of ...

An allergic response occurs when your immune system reacts abnormally to a common substance in the environment. That substance is known as an allergen. It causes an inflammatory response in the ...