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{%type%} Definitions

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n. - Hypersensitivity reaction to the ingestion or injection of a substance (a protein or drug) resulting from prior contact with a substance.

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Usage examples (33)
  • This local effect of anaphylaxis is often called the "Arthus phenomenon".
  • If you have signs of a sudden, severe reaction, called anaphylaxis, call 911.
  • Children with severe allergies can develop a sudden, life-threatening reaction to an allergen called anaphylaxis.
  • But with some foods, particularly peanuts and tree nuts, a life-threatening condition called anaphylaxis can occur.
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