HYPERSENSITIVITY
Channel: DENTISTRY ’N MORE
Date: 2020-09-03

Hypersensitivity (also called hypersensitivity reaction or intolerance) refers to undesirable reactions produced by the normal immune system, including allergies and autoimmunity. They are usually referred to as an over-reaction of the immune system and these reactions may be damaging, uncomfortable, or occasionally fatal. Hypersensitivity reactions require a pre-sensitized (immune) state of the host. The Gell and Coombs classification of hypersensitivity is the most widely used, and distinguishes four types of immune response which result in bystander tissue damage.


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Disclaimer-All the content of the video(Including tables,graphs,pictures, statistics and the discription about the topic taken from the reference textbooks available in the public domain(hard and softcopies).

#hypersensitivity #anaphylaxis #antibodies