from yesterday onward my 4 yrs girl having coughs...what can I do

A. Mix a pinch of pepper in honey and give it to her daily. Or u can try this recipe. Ingredients - dry ginger(sukku in tamil), whole black pepper, long pepper or pipli(thippili in tamil). Take each ingredient in equal amount. Dry it in the sun for few minutes. Grind it into a fine powder. Give a pinch of this powder to her daily. This will be very effective for cough