Roxithromycin, like erythromycin, is used in the treatment of a wide variety of infections caused by susceptible organisms. Its uses have included bronchitis, severe campylobacter enteritis, chancroid, diphtheria, legionnaire's disease and other Legionella infections, neonatal conjunctivitis, pertussis, pneumonia (as well as streptococcal), sinusitis and combined with neomycin, for the prophylaxis of surgical infection in patients undergoing bowel surgery.