from past 3 days my baby having full cough and cold giving maxtra syrup 5ml morning and night still no improvement please sajust what to do

A. What is the age of your child because if your child is five months and 5ML is a huge amount of medicine that you’re giving it’s only going to be 0.5 ML that on doctors advice for the child is not feeling better you may as well take a check with your doctor and start nebulising your child