Meningitis, Peritonitis, Anthrax, Non-gonococcal urethritis, Diphtheria, Syphilis, Infections caused by Staphylococcus (susceptible strains), Streptococcus, Pneumococcus species gonorrhoea, Subacute bacterial endocarditis, Upper respiratory tract, Erysipelas, Skin and soft tissue infections, Moderately severe pneumonia and otitis media, Empyema, Bacteremia, Pericarditis, Arthritis