| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| N | NERVOUS SYSTEM | 神经系统 |
| N02 | ANALGESICS | 镇痛药 |
| N02C | ANTIMIGRAINE PREPARATIONS | 抗偏头痛药 |
| N02CA | Ergot alkaloids | 麦角生物碱类 |
| N02CB | Corticosteroid derivatives | 皮质甾体激素衍生物类 |
| N02CC | Selective serotonin (5HT1) agonists | 选择性5-羟色胺（5HT1）促效药 |
| N02CX | Other antimigraine preparations | 其它抗偏头痛药 |