| ATC Codes | Pharmacological Classification | Pharmacological Classification/DDD |
|---|---|---|
| P | ANTIPARASITIC PRODUCTS, INSECTICIDES AND REPELLENTS | 抗寄生虫药、杀虫药和驱虫药 |
| P01 | ANTIPROTOZOALS | 抗原虫药 |
| P01A | AGENTS AGAINST AMOEBIASIS AND OTHER PROTOZOAL DISEASES | 抗阿米巴病和其它原虫病用药 |
| P01AB | Nitroimidazole derivatives | 硝基咪唑衍生物类 |
| P01AB01 | metronidazole | 甲硝唑 2 g 口服 |
| P01AB01 | metronidazole | 甲硝唑 2 g 直肠给药 |
| P01AB02 | tinidazole | 替硝唑（硝砜咪唑） 2 g 直肠给药 |
| P01AB02 | tinidazole | 替硝唑（硝砜咪唑） 2 g 口服 |
| P01AB03 | ornidazole | 奥硝唑 1.5 g 口服 |
| P01AB04 | azanidazole | 阿扎硝唑 |
| P01AB05 | propenidazole | 普罗硝唑 |
| P01AB06 | nimorazole | 尼莫唑 2 g 口服 |
| P01AB07 | secnidazole | 塞克硝唑 |