Chlamydia pneumoniae has been implicated as an etiological agent for b
oth upper and fewer respiratory tract infections. We describe 4 cases
of chronic pharyngitis where Chlamydia pneumoniae appears to be the et
iological agent. All the patients were non-smokers, and had symptoms o
f more than 6 months' duration. Disease symptoms seemed to resolve fol
lowing appropriate antibiotic treatment.