What types of allergic reactions are there?
In 1963, two British immunologists, Robert Coombs and Philip Gel classified hypersensitivity reactions into four different types.
- Type I – Immediate
- Type II – Cytotoxic
- Type III – Immune complex-mediated
- Type IV – Cell-mediated reactions or delayed hypersensitivity
Click here to learn more about these four types of allergic reactions.
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