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Kaplan Qbank USMLE



Author3 Posts
  #1

Can anybody explain what is arthus reaction and serum sickness ?

  #2

Arthus reaction sounds a lot like Type 4 except that injection of the antigenic substance causes antibody formation :arrow: ag-ab complexes :arrow: complement activation :arrow: edema, necrosis local reaction and is a TYPE III hypersensitivity
Serum sickness is also Type III and is more systemic. Formerly due to injecting of serum (antitoxins) but nowadays as this has reduced, it is more due to drugs.

  #3

thanks meg.

What are the drugs causing serum sickness ?







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