Any home and fast remedies to cure flu and cough with phlegm? My lo is 20mo.

Tulsi ka Kadha works wonders with common cold and cough in children. This kadha is soothing and helps relieve congestion. For children above 3 years, - mix half a teaspoon of tulsi juice with half a teaspoon with ginger juice. Add 1 teaspoon of honey. Give your child the above mixture 2-3 times a day till symptoms subside. - take 1 cup of water and add 4-5 leaves of tulsi; a small piece of ginger and 1 teaspoon of jaggery. Boil this mixture over slow heat till the quantity becomes half a cup. Give this to your child at least 2 times in a day.