| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| A | ALIMENTARY TRACT AND METABOLISM | 消化道及代谢 |
| A07 | ANTIDIARRHEALS, INTESTINAL ANTIINFLAMMATORY/ANTIINFECTIVE AGENTS | 止泻药，肠道抗炎/抗感染药 |
| A07B | INTESTINAL ADSORBENTS | 肠道吸附药 |
| A07BA | Charcoal preparations | 活性炭制剂 |
| A07BB | Bismuth preparations | 铋制剂 |
| A07BC | Other intestinal adsorbents | 其它肠道吸附药 |