• M01 Antiinflammatory and antirheumatic products 473 drugs
• M02 Topical products for joint and muscular pain 97 drugs
• M03 Muscle relaxants 86 drugs
• M04 Antigout preparations 38 drugs
• M05 Drugs for treatment of bone diseases 27 drugs
• M09 Other drugs for disorders of the musculo-skeletal system 6 drugs