EDITOR, - Roland J Korner and colleagues' article on the dangers of oral fluoroquinolone in community acquired upper respiratory tract infections raises interesting questions.1 In the first case reported, a single dose of any antimicrobial drug would have been unlikely to affect the course of the patient's illness, pneumococcal meningitis. Interestingly, the patient's treatment in hospital consisted initially of cefotaxime and metronidazole; only after the results of culture were obtained was this changed to …