DDx ⬇
- Viral rhinitis (common cold)
- Allergic rhinitis
- Sinusitis (rhinosinusitis)
- Vasomotor rhinitis (eg, cold air- or irritant-induced)
- Nasal polyposis
- Rhinitis medicamentosa
- Foreign body
- Wegener’s granulomatosis
- Coronary sinus flow (CSF) leak
Related DDx ⬆