Sir, my 3 year old son suffering from chronic asthma from may 2018, in july budate and levosalbutamol inhaler gave him with few cough syrups and levo+montelukast, july and aug he was ok but in sep he again start coughing in early morning then doctor start both inhaler with cough syrup. Is this correct medication. And which ayurved medicine can cure this. Pls suggest.