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Transcript
HYPERSENSITIVITY ï· When the bodyâs immune system fails to protect itself against foreign material, and instead, the antibodies formed irritate certain body cells. ï· An abnormal response to a drug or allergen. ï· An ALLERGEN is an antigen that causes allergic responses. (Examples of allergens â ragweed, penicillin, bee stings, foods, etc.) ANAPHYLAXIS ï· severe, sometimes fatal allergic reaction ï· Antigen-antibody reaction stimulates a massive secretion of histamine ï· Symptoms â breathing problems, headache, facial swelling, falling blood pressure, stomach cramps, and vomiting ï· Rx â adrenaline Summer 2005 I.13
