Oral ofloxacin therapy for lower respiratory tract infection.

We made an open, noncomparative evaluation of ofloxacin, 400 mg orally bid for 10 days, in 98 subjects with community-acquired pneumonia or pathogen-confirmed bronchitis. Thirty-nine (40%) of the subjects were treated in the hospital and 59 (60%) were treated as outpatients. The mean age of those treated was 56.2 years; 73 (74%) of the subjects either were more than 60 years old or had a history of chronic obstructive pulmonary disease, or both. There were 95 organisms initially isolated in sputum, aspirate, or lavage fluid; all were susceptible to ofloxacin, and none acquired resistance during therapy. Haemophilus influenzae was the most common pathogen (19 isolates), followed by Streptococcus pneumoniae (18) and Staphylococcus aureus (10). Clinical responses included cure in 70 patients (71%), improvement in 26 (27%), and failure in two (2%). After 10 days of therapy, pathogens persisted in two cases; in one case, Streptococcus salivarius was isolated, though it remained susceptible to ofloxacin, and in the other, Klebsiella pneumoniae was accompanied by superinfection due to a resistant strain of Serratia marcescens. We included in this study three confirmed cases of atypical pneumonia successfully treated with ofloxacin, two of them due to Mycoplasma pneumonia and one to Legionella pneumophila. Ofloxacin was well tolerated. Our data indicate that ofloxacin is effective and safe as specific and empiric treatment for many lower respiratory tract infections.
AuthorsL O Gentry, B Lipsky, M O Farber, B Tucker, G Rodriguez-Gomez
JournalSouthern medical journal (South Med J) Vol. 85 Issue 1 Pg. 14-8 (Jan 1992) ISSN: 0038-4348 [Print] UNITED STATES
PMID1734527 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Multicenter Study)
Chemical References
  • Ofloxacin
  • Administration, Oral
  • Adult
  • Age Factors
  • Aged
  • Aged, 80 and over
  • Bronchitis (drug therapy, microbiology)
  • Drug Administration Schedule
  • Drug Evaluation
  • Female
  • Haemophilus influenzae (drug effects)
  • Humans
  • Lung Diseases, Obstructive (complications)
  • Male
  • Microbial Sensitivity Tests
  • Middle Aged
  • Ofloxacin (administration & dosage)
  • Pneumonia, Pneumococcal (drug therapy, microbiology)
  • Staphylococcus aureus (drug effects)
  • Streptococcus pneumoniae (drug effects)

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