| CD | Celiac Disease |
| DAO | Diamine oxidase |
| EGE | Eosinophilic gastroenteritis |
| FD | Functional dyspepsia |
| GI | Gastrointestinal |
| H.p. | Helicobacter pylori |
| HIT | Histamine intolerance |
| IBS | Irritable bowel syndrome |
| LIT | Lactose intolerance |
| MCAS | Mast cell activation syndrome; Mrgprs, Mas-related G protein-coupled receptor family |
| NCGS | Non-celiac gluten sensitivity |
| SIBO | Small intestinal bacterial overgrowth |
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