| Allergic rhinitis |
| Seasonal |
| Perennial |
| Nonallergic rhinitis |
| Vasomotor |
| Gustatory |
| Nonallergic rhinitis with eosinophilia syndrome |
| Mixed rhinitis |
| CPAP-associated rhinitis |
| Occupational rhinitis |
| Rhinitis medicamentosa |
| Nasal decongestant sprays |
| Intranasal cocaine |
| Systemic medication-induced rhinitis |
| Oral contraceptives |
| Erectile dysfunction drugs |
| Some antihypertensives |
| Aspirin and other NSAIDs (more prevalent among patients with asthma and/or chronic rhinosinusitis with nasal polyposis) |
| Some antidepressants |
| Some benzodiazepines |
| Pregnancy |
| Atrophic rhinitis |
| Systemic diseases |
| Hypothyroidism |
| Granulomatosis with polyangiitis (Wegener's) |
| Midline granuloma |
| Sarcoidosis |
| Cystic fibrosis |
| Immotile cilia syndromes |
