تنگی نایژه

Also known as Bronchoconstrictor agents, Bronchoconstrictor, Airway constriction, Bronchiconstriction

thumb|Illustration depicting bronchoconstriction (Asthma) Bronchoconstriction is the constriction of the airways in the lungs due to the tightening of surrounding smooth muscle, with consequent coughing, wheezing, and shortness of breath.