title: Alleviation of pain and prevention of infection after tonsillectomy.
mesh_terms: D000085:Acetates; D000293:Adolescent; D000328:Adult; D000698:Analgesia; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D006851:Hydrochloric Acid; D007223:Infant; D017053:Infection Control; D007267:Injections; D008012:Lidocaine / Q000627:therapeutic use*; D008297:Male; D008775:Methylprednisolone / Q000627:therapeutic use*; D010402:Penicillin G Procaine / Q000627:therapeutic use*; D010919:Placebos; D011183:Postoperative Complications / Q000517:prevention & control; D014068:Tonsillectomy
chemical_list: D000085:Acetates; D010919:Placebos; D010402:Penicillin G Procaine; D008012:Lidocaine; D006851:Hydrochloric Acid; D008775:Methylprednisolone