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An acute hypersensitivity reaction due to exposure to a previously encountered ANTIGEN. The reaction may include rapidly progressing URTICARIA, respiratory distress, vascular collapse, systemic SHOCK, and death.

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Tree Number(s): C20.543.480.099

MeSH Unique ID: D000707

Entry Terms:

  • Anaphylactic Reaction
  • Anaphylactic Reactions
  • Reaction, Anaphylactic
  • Anaphylactoid Shock
  • Shock, Anaphylactoid
  • Anaphylactoid Reaction
  • Anaphylactoid Reactions
  • Reaction, Anaphylactoid
  • Shock, Anaphylactic
  • Anaphylactic Shock

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