Table 1 Etiological classification of rhinitis [1]
From: Allergic rhinitis
| Description | |
|---|---|
| IgE-mediated (allergic) |
• IgE-mediated inflammation of the nasal mucosa, resulting in eosinophilic and Th2-cell infiltration of the nasal lining • Further classified as intermittent or persistent |
| Autonomic |
• Vasomotor • Drug-induced (rhinitis medicamentosa) • Hypothyroidism • Hormonal • Non-allergic rhinitis with eosinophilia syndrome (NARES) |
| Infectious | • Precipitated by viral (most common), bacterial, or fungal infection |
| Idiopathic | • Etiology cannot be determined |