MC cause of discharge from the nose is
CSF rhinorrhea
Lupus erythematosus
Trauma
Allergic rhinitis
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