Table 1.
Conditions other than eosinophilic oesophagitis associated with oesophageal eosinophilia
| Condition | |
| Primary | Gastro-oesophageal reflux disease |
| Achalasia | |
| Eosinophilic gastroenteritis or colitis with eosinophilic oesophagitis | |
| Infection (fungal or viral) | |
| Pill oesophagitis | |
| Secondary | Hyper-eosinophilic syndrome |
| Drug hypersensitivity reactions | |
| Connective Tissue diseases |
Eosinophilia in the oesophagus is rare and data for an eosinophil density of ≥15/0.3 mm2 for causes other than eosinophilic oesophagitis is limited.