MC cause of discharge from the nose is
Causes Common causes The most common causes of nasal congestion and discharge are the following: Viral upper respiratory infections (colds) Allergic reactions Less common causes Less common causes include Sinus infection (sinusitis) Foreign object (body) in the nose Overuse of decongestant sprays Vasomotor rhinitis
CSF rhinorrhea
Lupus erythematosus
Trauma
Allergic rhinitis