| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| A | ALIMENTARY TRACT AND METABOLISM | 消化道及代谢 |
| A02 | DRUGS FOR ACID RELATED DISORDERS | 治疗与胃酸分泌相关疾病的药物 |
| A02A | ANTACIDS | 治酸药 |
| A02B | DRUGS FOR PEPTIC ULCER AND GASTRO-OESOPHAGEAL REFLUX DISEASE (GORD) | 消化道溃疡和胃食管返流病治疗药物 |
| A02X | OTHER DRUGS FOR ACID RELATED DISORDERS | 治疗与胃酸分泌相关疾病的其它药物 |