| 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 |
| A07A | INTESTINAL ANTIINFECTIVES | 肠道抗感染药 |
| A07AA | Antibiotics | 抗生素 |
| A07AA02 | nystatin | 制霉素（制霉菌素） 1.5 MU 口服 |