| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| S | SENSORY ORGANS | 感觉器官 |
| S01 | OPHTHALMOLOGICALS | 眼科用药 |
| S01G | DECONGESTANTS AND ANTIALLERGICS | 减充血药和抗变态反应药 |
| S01GA | Sympathomimetics used as decongestants | 用作减充血药的拟交感神经药 |
| S01GX | Other antiallergics | 其它抗变态反应药 |