| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N05 | PSYCHOLEPTICS | 安定药 |
| N05B | ANXIOLYTICS | 抗焦虑药 |
| N05BB | Diphenylmethane derivatives | 二苯甲烷衍生物类 |
| N05BB01 | hydroxyzine | 羟嗪 75 mg 口服 |
| N05BB01 | hydroxyzine | 羟嗪 75 mg 注射 |
| N05BB02 | captodiame | 卡普托胺（丁硫二苯胺） 0.2 g 口服 |
| N05BB51 | hydroxyzine, combinations | 羟嗪，复方 |