• J01A Tetracyclines 12 drugs
• J01B Amphenicols 9 drugs
• J01C Beta-lactam antibacterials, penicillins 71 drugs
• J01D Other beta-lactam antibacterials 385 drugs
• J01E Sulfonamides and trimethoprim 21 drugs
• J01F Macrolides, lincosamides and streptogramins 118 drugs
• J01G Aminoglycoside antibacterials 17 drugs
• J01M Quinolone antibacterials 147 drugs
• J01R Combinations of antibacterials 9 drugs
• J01X Other antibacterials 100 drugs