Cough forms the most important respiratory symptoms. It cocurs due to irritation of mucous membrane anywhere in the respiratory tract. Must often it is an indication of Jung parenchyma of infection of airways (Pneumonia, bronchitis, viral infections), inflammation (asthmal or imitation (tumors, enlarged lymph node, inhaled foreign body or toxic fumes) of the mucosa. Cough is produced by vitietion of prana and udana vata, which are responsible for various vitalfunctions.

Bronchine helps in establishing a smouth respiration, with alevation of cough, cold, fever, dyspnea, whoozes, chest pain and hoarseness of voice. without induction of any adverse effects acznempanied with the usage of modern anti-tussives, expectorants, anti-histaminics and bronchodilators.