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Hypersensitive

What Does Hypersensitive Mean?

Hypersensitive is the medical term used to describe an exaggerated or abnormal biological reaction to a stimulus. This reaction may be triggered by the immune system or by other non-immune mechanisms. Non-immune mediated hypersensitive reactions to substances are referred to as being idiosyncratic.

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WorkplaceTesting Explains Hypersensitive

Many hypersensitivities are caused by allergic disorders or atopy. Food and chemical allergies, as well as allergies to pollen and pet dander, are all hypersensitivities. However, a person can also develop a hypersensitivity after exposure to a drug or chemical. Some workplace chemicals are known to cause hypersensitivity to develop after repeated exposures. The process of becoming hypersensitive to a substance after repeated exposures is called sensitization. Once sensitized, a person must avoid exposure to the triggering substance or suffer a reaction.

Hypersensitive responses to a substance may be mild, such as itching or nasal congestion, or severe. Some individuals with hypersensitivities are at risk of a life-threatening event called anaphylaxis and must carry emergency medication to counteract the symptoms of such reactions.

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