Hypersensitivity Reactions

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5 Terms

1
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type I (anaphylactic)

  • allergies

  • ex pollen, shellfish, peanuts

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type II (cytotoxic)

  • antibody-mediated destruction of cells

  • ex blood transfusion reaction

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type III (immune complex)

  • antigen-antibody complex deposit in tissue causing inflammation

  • ex rheumatoid arthritis, lupus

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type IV (delayed)

  • T-cell mediated response occurring 24-48 hours after exposure

  • ex tuberculosis testing

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anaphylaxis treatment

  • epinephrine 1:1000 IM in outer thigh

  • corticosteroids (for late phase response)

  • antihistamines