Allergy

Allergy:- 

> An allergy is an immunological hypersensitivity mediated by immunoglobulin E antibody (IgE). 

> It is not related to any disease or infections. 

> Allergies can be seen in many organs, but most commonly, they affect the skin and mucous membranes.

> Our body is sensitive to specific particles in the environment, and these particles are called allergens. 

> Allergies are mostly a type of antigen that produces an abnormally vigorous immune response.

Types of Allergies:-

i. Type I

ii. Type II

iii. Type III

iv. Type IV