| Name | Value |
|---|---|
| CATEGORY NAME | Histamine Antagonists |
| CATEGORY IDENTIFIER | GA301 |
| PARENT CATEGORY | Antiulcer Agents |
| PARENT CATEGORY IDENTIFIER | GA300 |
| ANCESTOR CATEGORY | Gastrointestinal Medications |
| ANCESTOR CATEGORY IDENTIFIER | GA000 |
| FAMILY DESCENDANTS | 161~182~183 |
| FAMILY ANCESTORS | 183~182~161 |
| SYSTEM OR GROUP | Pharmacy |