The pathophysiology of nasal congestion may be best described as a perception of reduced nasal airflow or a sense of facial fullness, involves a number of underlying mechanisms. Many inflammatory and neurogenic mediators contribute to plasma exudation and vasodilatation with resultant edema and swelling of the nasal mucosa. This article describes pathophysiological mechanisms that contribute to the perception of nasal congestion. A most frequent symptom encountered in primary care and clinics is nasal congestion or obstruction.
It is often the chief symptom in upper respiratory tract disorders, such as allergic rhinitis, rhino sinusitis, nonallergic rhinitis, and nasal polyposis. These include mucosal inflammation, increased nasal secretions that affect the structure of nasal passage or modulation of sensory perception. Pathophysiological factors Mucosal inflammation This constitutes…
