| Type | Symptoms | Treatment |
|---|---|---|
| Mucosal | Anemia from iron deficiency or occult fecal blood loss, protein-losing enteropathy, and malabsorption, peripheral edema Most frequent type | |
| Elimination diet | ||
| Cromoglycate | ||
| Ketotifen | ||
| Glucocorticosteroids | ||
| Azathioprine | ||
| Submucosal | Bowel wall thickening results in obstructive signs (colicky pain, nausea, vomiting) At risk for bowel obstruction | Montelukast |
| Imatinib mesylate | ||
| Omalizumab | ||
| Serosal | Associated with ascites, bloating, high peripheral eosinophilia, peritonitis Rarest form | Histamine 2 receptor blockers |
| Proton pump inhibitors |
Adapted from Refs. 6–9.