COSTUS – LS SYRUP with powerful formulation of Levosalbutamol Sulphate 1mg + Ambroxol Hydrochloride 30mg , Guaiphenesin 50mg + Mentholated Palatable Base is a mentholated palatable base, designed to provide effective relief from productive cough, chest congestion, and mucus buildup by helping open the airways, loosening thick mucus, and making it easier to expel phlegm. It is generally prescribed for cough associated with respiratory conditions where excess mucus is present.