II. Definitions
- Nonallergic Rhinitis with Eosinophilia
- Subtype of Chronic Nonallergic Rhinitis characterized by nasal Eosinophilia
III. Epidemiology
- Perennial Non-allergic Rhinitis
- More common in adults
- May represent up to a third of Rhinitis cases
IV. Symptoms
- Congestion
- Rhinitis
V. Labs
- Allergy Testing (RAST or Skin Testing) negative
- Nasal secretion microscopy
- Nasal Eosinophilia and Mast Cell degranulation
VI. Differential Diagnosis
- See Chronic Allergic Rhinitis
- See Rhinitis Causes
VII. Associated conditions: Triad
- Aspirin sensitivity
- Non-IgE-mediated Asthma
- Nasal Polyps