Merck Manual

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Introduction to Hypersensitivity and Reactive Skin Disorders

By

Julia Benedetti

, MD, Harvard Medical School

Last full review/revision Apr 2022| Content last modified Apr 2022
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The immune system plays a significant role in most skin disorders. The following skin disorders can be primarily characterized by a hypersensitivity or other type of reaction, be it to a drug, infection, or cancer:

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NOTE: This is the Professional Version. CONSUMERS: Click here for the Consumer Version
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