This is a very common symptom in the adult population.
It is difficult to tolerate for many patients as the sensation can be unpleasant and it can affect their ability to exercise and function normally. It can be associated with snoring.
There are many causes of nasal obstruction. These include rhinitis and sinusitis, deviated nasal septum, large adenoids, nasal valve collapse, septal perforation, tumours and other rare causes. Click the links to find out more.