Hilde Hemmes Herbal Extract Bronchial Cough ReliefRelieve coughs and bronchial mucous congestion Relieve symptoms of mild upper respiratory tract infections Supports healthy mucous membranes A bronchial cough is due to inflammation of the mucous membranes lining the bronchial tubes, often caused by an infection, exposure to cold weather or may also be caused by breathing in environmental substances that irritate the bronchial tubes. When the bronchial tubes are irritated they secrete thick mucus