| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| C | CARDIOVASCULAR SYSTEM | 心血管系统 |
| C03 | DIURETICS | 利尿药 |
| C03A | LOW-CEILING DIURETICS, THIAZIDES | 低限量利尿药,噻嗪类 |
| C03AB | Thiazides and potassium in combination | 噻嗪类和钾复方 |
| C03AB04 | chlorothiazide and potassium | 氯噻嗪和钾 0.5 g 口服 Refers to chlorothiazide |