Erythromycin 500 mg tablet contains 500 mg Erythromycin BP. Therapeutic indications: For the prophylaxis and treatment of infections caused by erythromycin-sensitive organisms. Antibiotic, highly effective in the treatment of a great variety of infections. 1) Upper respiratory tract infections: laryngitis, pharyngitis, sinusitis, secondary infections in colds and influenza, tonsillitis, peritonsillar abscess. 2) Lower respiratory tract infections: acute and chronic bronchitis, tracheitis, pneumonia (lobar pneumonia, bronchopneumonia, primary atypical pneumonia), bronchiectasis, legionnaires disease. 3) Eye infections: blepharitis. 4) Ear infections: otitis media and otitis externa, mastoiditis. 5) Oral infections: gingivitis, Vincent's angina. 6) Skin and soft tissue infections: boils and carbuncles, abscesses, pustular acne, paronychia, impetigo, cellulitis, erysipelas. 7) Gastro-intestinal infections: staphylococcal enterocolitis, cholecytis. 8) Other infections: gonorrhoea, syphilis, urethritis, osteomyelitis, lymphogranuloma venereum, diphtheria, prostatis, scarlet fever. 9) Prophylaxis: pre- and post-operative, burns, trauma, rheumatic fever.