my 4 year old has too much cough from 3 days...he is not able to sleep only in afternoon n night.... he has mucus in his chest in think...took doctors prescription still no improvement...plz plz plz help..what shall I do...I can't see him like this

A. Cough in a child could be allergic , infective or due to some other cause like GERD so it needs proper valuation before giving any medication . Primarily you can give steam inhalation to the cchild for the improveement before consulting your doctor.