KUFRIN LS Ambroxol Hydrochloride, Levosalbutamol, and Guaiphenesin syrup is used to treat respiratory conditions involving cough and mucus production. Ambroxol helps thin and loosen mucus, Levosalbutamol relaxes airway muscles to ease breathing, and Guaiphenesin aids in clearing mucus from the airways. It is commonly prescribed for bronchitis, asthma, and other respiratory tract disorders.