Oral cefaclor for treatment of bronchitis--a comparative double-blind study versus amoxycillin.

Either 500 mg cefaclor or amoxycillin was administered at random thrice daily to 50 adult outpatients with acute or acute-to-chronic bronchitis. A total of 31 pathogens were isolated from sputum, mostly Streptococcus pneumoniae [17] or Haemophilus influenzae [3], or both [2]. All pathogens but one were susceptible to cefaclor; all but six were susceptible to amoxycillin. Satisfactory clinical results were obtained in 62.5% of the patients treated with cefaclor and 66% of the patients treated with amoxycillin.