Correspondence

sumed recurrent TB infection. He was treated with co-amoxiclav, and an intercostal drain was inserted to reduce the concomitant pleural effusion. He responded well to therapy, and an acid-fast smear of his sputum confirmed TB; TB therapy (rifampicin, isoniazid, etham-butol and pyrazinamide), as recommended by the South African Department of Health, was commenced. The patient was unable to recall prior fluoroquinolone use. N16 was isolated from a 55-year-old female, with previous renal impairment, admitted with pneumonia. She was treated with cefuroxime and responded well. She had received ciprofloxacin for a urinary tract infection within the pre-vious 10 months of admission. Emergence of these highly resistant Haemophilus species may be the result of several factors. Firstly, in the South African community, there is considered to be a relatively high use of fluoroquinolone antibiotics for the treatment—among other infections—of sexuall