| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| S | SENSORY ORGANS | 感觉器官 |
| S03 | OPHTHALMOLOGICAL AND OTOLOGICAL PREPARATIONS | 眼和耳科药物 |
| S03A | ANTIINFECTIVES | 抗感染药 |
| S03B | CORTICOSTEROIDS | 皮质甾体激素类 |
| S03C | CORTICOSTEROIDS AND ANTIINFECTIVES IN COMBINATION | 复方中的皮质甾体激素类和抗感染药 |
| S03D | OTHER OPHTHALMOLOGICAL AND OTOLOGICAL PREPARATIONS | 其它眼和耳科药物 |