hello doctor my son 5 year 2 month old. he is suffering from cold last one year . last year I m going doctor doctor said respiratory track infection. continuously I give Montara lc but till may I go for homeopathy slight he is OK but last 3 day I think due climate he is too much cough. otherwise nothing problem he is playing too much.active too much.eating properly.only cough plz recommend what I m doing. only doctor give me answer