What is a person with allergies called?

Allergy. Allergies, also known as allergic diseases, are a number of conditions caused by hypersensitivity of the immune system to typically harmless substances in the environment. These diseases include hay fever, food allergies, atopic dermatitis, allergic asthma, and anaphylaxis.Click to see full answer. Accordingly, can allergies be transmitted?An allergy is an overactive immune response. Your body mistakenly attacks harmless matters, such as pollen and animal dander, thinking these are germs; your body then reacts as if you had a cold. You cannot catch an allergy from someone else, they are not contagious.One may also ask, what is allergy in simple words? Allergy occurs when a person’s reacts to substances in the environment that are harmless to most people. These substances are known as allergens and are found in dust mites, pets, pollen, insects, ticks, moulds, foods and some medications. Similarly one may ask, what are the 4 types of allergic reactions? Type I: Immediate Hypersensitivity (Anaphylactic Reaction) These allergic reactions are systemic or localized, as in allergic dermatitis (e.g., hives, wheal and erythema reactions). Type II: Cytotoxic Reaction (Antibody-dependent) Type III: Immune Complex Reaction. Type IV: Cell-Mediated (Delayed Hypersensitivity) Do allergies come from Mom or Dad?The tendency to develop allergies is often hereditary, which means it can be passed down through genes from parents to their kids. But just because you, your partner, or one of your children might have allergies doesn’t mean that all of your kids will definitely get them.