Anaphylaxis: an overwhelming allergic reaction.  Swift action is needed to short-circuit potentially deadly symptoms.
D000485:Allergens / Q000009:adverse effects*; D000707:Anaphylaxis / Q000209:etiology* / Q000517:prevention & control* / Q000628:therapy; D006266:Health Education / Q000379:methods; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D011322:Primary Prevention / Q000379:methods*; D014481:United States
D000485:Allergens