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A viral infection (the common cold) is the most common cause of a stuffy and/or runny nose, but allergies, influenza, and sinus infections also may cause these symptoms. Less commonly, anatomical obstructions (e.g. a deviated nasal septum, foreign bodies) may lead to nasal congestion.
âdewdropâ on the end of the nose that we (rather rudely) call âold manâs dripâ. Other causes of a constantly running nose include nasal polyps, although your consultation with an ear, nose and throat specialist will have excluded these. I feel for patients with your condition, as itâs one that is poorly understood.