What is a drug allergy?

    Monday, 18 April 2011 00:00  Blog

A drug allergy is an allergic reaction that occurs when the body’s immune system produces antibodies and activates disease-fighting cells in response to a specific drug. In the development of a drug allergy, the immune system is triggered by the first exposure to the medication. A future exposure causes an immune response, including the production of allergic antibodies and release of histamine. So, drug allergy reactions occur after a person has been previously exposed to the drug one or more times without any allergic reaction.

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