Question

WHAT ARE ALLERGY?????​

Answer 1

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Explanation:

An allergic reaction occurs when a person’s immune system becomes hypersensitive to certain substances, such as foods, pollen, medications, or bee venom.

A substance that causes an allergic reaction is called an allergen. Many allergens are everyday substances that are harmless to most people. However, anything can be an allergen if the immune system has a specific type of adverse reaction to it.

One of the roles of the immune system is to destroy harmful substances in the body. If a person has an allergy to a substance, their immune system will react as though that substance is harmful and will try to destroy it.

Symptoms

An allergic reaction causes inflammation and irritation. However, the specific symptoms will depend on the type of allergen. For example, allergic reactions may occur in the gut, skin, sinuses, airways, eyes, or nasal passages.

HOPE IT HELPS YOU

Answer 2

Answer:

A condition in which the immune system reacts abnormally to a foreign substance

Allergy are of 9 types

1.drug allergy

2.food allergy

3.contract detmatitis

4. Latex allergy

5.allergic asthma

6 allergic rhinitis

7.animal allergy

8.allergy to mold

9.anaphylaxis