What is Nasal congestion?
'''Nasal congestion''' or '''stuffy nose''' is when [[mucus]] or other fluid blocks the [[nose]] so that the person cannot breathe well. This is usually because the [[membrane]]s inside the nose have become larger because of [[inflammation]] in the [[blood vessel]]s.<ref name=Mayo>{{cite web|url=https://www.mayoclinic.org/symptoms/nasal-congestion/basics/definition/sym-20050644|publisher=Mayo Clinic|title=Nasal congestion|author=Mayo Clinic staff}}</ref> ==References== {{reflist}} {{medicine-stub}} [[Category:Symptoms]] [[Category:Nose]]