| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| R | RESPIRATORY SYSTEM | 呼吸系统 |
| R01 | NASAL PREPARATIONS | 鼻腔用药 |
| R01A | DECONGESTANTS AND OTHER NASAL PREPARATIONS FOR TOPICAL USE | 减充血药和其它鼻腔局部用药 |
| R01B | NASAL DECONGESTANTS FOR SYSTEMIC USE | 系统用药的鼻腔减充血药 |