Hypersensitivity is classified into five types-
► 1. Anaphylaxis
► 2. Antibody dependant cytotoxicity
► 3. Immune complex mediated diseases
► 4. Delayed type ‘o’ cell mediated hypersensitivity
► 5. Stimulatory hypersensitivity
It is most rapid hypersensitive reaction. It responds within minutes of applying a stimulus and can get localize. Reactions are mediated by release of pharmacologically active substances.
The inflammatory response produced by inflammatory molecules result in tissue damage and some times even death. We call this as hypersensitivity or allergy.
We can recognize the Symptoms only days after exposure. This is delayed hypersensitivity (DTH).
It is a monoclonal immunoglobulin produced from a myeloma cell.

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