The sulfonamides.
D001424:Bacterial Infections / Q000188:drug therapy*; D004338:Drug Combinations / Q000627:therapeutic use; D004917:Erythromycin / Q000008:administration & dosage; D006801:Humans; D010038:Otorhinolaryngologic Diseases / Q000188:drug therapy*; D013420:Sulfamethoxazole / Q000627:therapeutic use; D013449:Sulfonamides / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D014295:Trimethoprim / Q000627:therapeutic use; D015662:Trimethoprim, Sulfamethoxazole Drug Combination
D004338:Drug Combinations; D013449:Sulfonamides; D004917:Erythromycin; D015662:Trimethoprim, Sulfamethoxazole Drug Combination; D014295:Trimethoprim; D013420:Sulfamethoxazole