| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| S | SENSORY ORGANS | 感觉器官 |
| S02 | OTOLOGICALS | 耳科用药 |
| S02A | ANTIINFECTIVES | 抗感染药 |
| S02B | CORTICOSTEROIDS | 皮质甾体激素类 |
| S02C | CORTICOSTEROIDS AND ANTIINFECTIVES IN COMBINATION | 复方中的皮质甾体激素类和抗感染药类 |
| S02D | OTHER OTOLOGICALS | 其它耳科用药 |