| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| S | SENSORY ORGANS | 感觉器官 |
| S02 | OTOLOGICALS | 耳科用药 |
| S02D | OTHER OTOLOGICALS | 其它耳科用药 |
| S02DA | Analgesics and anesthetics | 镇痛药和麻醉药 |
| S02DA01 | lidocaine | 利多卡因（赛罗卡因） |
| S02DA02 | cocaine | 可卡因 |
| S02DA03 | phenazone | 安替比林 |
| S02DA30 | combinations | 复方 |