Friday, 15 October 2021

HYPERSENSITIVITY OR ALLERGY

An allergy is the hypersensitivity of immune system of a person to some foreign substance called allergy which either comes in contact with or enters the body .

The allergies  include dust , moulds ,  pollen , certain foods and madicines such as penicillin .

Allergy involves mainly  IgE antibodies and histamine .

The common manifestation of allergy is asthma and sometimes an allergy may caused a sudden , violent fatal reaction in a sensitive individual , it is called anaphylaxis.


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