Erythema multiforme associated with an outbreak of Mycoplasma pneumoniae function.

AIMS

To document the association between erythema multiforme and Mycoplasma pneumoniae.

METHOD

All cases of erythema multiforme presenting to the dermatology department of Waikato Hospital over the summer of 1992/3 were tested for mycoplasma serology. Trends in recorded cases of M pneumoniae infection were examined from data supplied by the virology department of Waikato Hospital.

RESULTS

Four of seven cases of erythema multiforme were due to M pneumoniae infection. This was associated with a marked local increase in the number of M pneumoniae infections recorded in our hospital.

CONCLUSION

Mycoplasma serology is an important investigation in the management of erythema multiforme, especially when associated with an outbreak of M pneumoniae infections.