COSTUS – LS JUNIOR SYRUP with powerful formulation of Ambroxol Hydrochloride 15mg + levosalbutamol sulphate 0.5mg + Guaiphenesin 50mg is is a bronchodilator that relaxes the airway muscles to improve breathing, and Guaiphenesin works as an expectorant to facilitate the removal of mucus from the airways. This combination helps relieve chest congestion, promote easier mucus clearance, reduce cough, and improve breathing, providing effective respiratory relief and enhanced comfort in pediatric patients.