Bromhexine hydrochloride

Secretion of sputum: Bromhexine hydrochloride can stimulate the respiratory mucosal epithelial cells to secrete mucus, thereby increasing the moisture of respiratory secretions and helping to thin and discharge sputum.
Improve respiratory symptoms: Bromhexine hydrochloride can help reduce the viscosity of respiratory mucus and reduce the adhesion of sputum, thereby reducing respiratory inflammation and symptoms, such as coughs and sore throats.
Treatment of bronchitis and pneumonia: Bromhexine hydrochloride is often used to treat respiratory infectious diseases such as bronchitis and pneumonia, helping patients clear sputum and relieve dyspnea and cough.

Overall, bromhexine hydrochloride is an effective drug primarily used to treat respiratory illnesses and coughs.