Hypersensitivity Vasculitis
Criteria and Causes
- Hypersensitivity vasculitis should be expected if the following criteria is fulfilled
- Most likely due to : Cephalosporins, Sulfonamides, Phenytoin, and Allopurinol.
- Additional Clinical features : fever, urticaria, arthralgias, elevated ESR.
multiple erythematous patches and plaques, blanch test is negative