| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| R | RESPIRATORY SYSTEM | 呼吸系统 |
| R06 | ANTIHISTAMINES FOR SYSTEMIC USE | 系统用抗组胺药 |
| R06A | ANTIHISTAMINES FOR SYSTEMIC USE | 系统用抗组胺药 |
| R06AB | Substituted alkylamines | 取代烷基胺 |
| R06AB56 | dexbrompheniramine, combinations | 右溴苯那敏，复方 |