| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| G | GENITO URINARY SYSTEM AND SEX HORMONES | 生殖泌尿系统和性激素 |
| G04 | UROLOGICALS | 泌尿药 |
| G04C | DRUGS USED IN BENIGN PROSTATIC HYPERTROPHY | 前列腺肥大治疗药 |
| G04CA | Alpha-adrenoreceptor antagonists | α-肾上腺受体拮抗药 |
| G04CA04 | silodosin | 西罗多辛（西洛多辛、西洛辛） |