precipitants in 42 cases of erythema multiforme. | a total of 42 children with erythema multiforme (aged 0.1 to 15.8 years, median 6.1 years) were treated between 1978 and 1997 at the department of paediatrics, university of bern, switzerland. antecedent infections were noted in 30 cases: mycoplasma pneumoniae infection (n = 14), acute upper respiratory tract disease (n = 10) and herpes simplex infection (n = 6). four cases were associated with antecedent medication (n = 3) or immunization (n = 1). in 12 of the 30 patients in whom erythema multi ... | 1999 | 10541951 |