All in-and out- @entity1 , who came for @entity203 consultation at the Dermatology Clinic, Ramathibodi Hospital from December 1997 to November 1998 were included in this study. Medical histories and physical examinations were performed by one of the authors. In suspected cases, a skin biopsy was performed to confirm the diagnosis. Patch test and oral challenge test were performed in some @entity1 who had maculopapular, fixed @entity203 and @entity16215 , with informed consent. Among 80 @entity1 , the most common cutaneous reaction was maculopapular @entity1910 . Antimicrobial, drugs were the most common causative agents. The patch test was positive in only one @entity1 from 12 cases. The oral provocative test was positive in two @entity1 from 4 cases. It is concluded that oral provocative test is still necessary to get a definite diagnosis of causative agent. The value of patch test needs further study.

XXXX : the value of oral rechallenge test and patch test.

@entity1 :: ('9606', 'Species') :: ['patients', 'patient'] @entity203 :: ('MESH:D003875', 'Disease') :: ['drug eruption'] @entity16215 :: ('MESH:D056150', 'Disease') :: ['acute generalized exanthematous pustulosis'] @entity1910 :: ('MESH:D005076', 'Disease') :: ['rash']
@entity203 :: (MESH:D003875,Disease) :: ['Drug eruptions']
