Ambroxol hydrochloride is a metabolite of bromhexine that stimulates mucociliary action and clears the air passages in the respiratory tract. It is usually administered as the hydrochloride. It is the active ingredient of mucosolvan, mucobrox, mucol, lasolvan, mucoangin, surbronc, ambolar, and lysopain. The substance is a mucoactive drug with several properties including secretolytic and secretomotoric actions that restore the physiological clearance mechanisms of the respiratory tract, which play an important role in the body’s natural defence mechanisms.Ambroxol is indicated as “secretolytic therapy in bronchopulmonary diseases associated with abnormal mucus secretion and impaired mucus transport. It promotes mucus clearance, facilitates expectoration and eases productive cough, allowing patients to breath.