allergic reaction definition

allergic reaction

Abnormal physiological response to an allergen or a physical stimuli. It may range from a mild attack of asthma or hay fever to sever dermatitis or gastroenteritis—even extremely serious shock that may cause death from breathing difficulties, circulatory collapse, and/or heart failure. See also intolerance.

allergic reaction is in the Material & Occupational Safety subject.

allergic reaction appears in the definitions of the following terms: allergy, intolerance, sensitizer, allergen and photoallergic contact dermatitis

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