What term indicates a severe, possibly fatal systemic hypersensitivity reaction to a sensitizing agent-that is, a drug, food, or chemical?

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Anaphylaxis is the term for a severe, potentially life-threatening hypersensitivity reaction to an allergen, such as a drug, food, or chemical. Anabolic refers to the building up of molecules in the body, anaerobic relates to a lack of oxygen, and asepsis refers to the absence of harmful microorganisms.

What Term Indicates a Severe, Possibly Fatal Systemic Hypersensitivity Reaction