How to get rid of that??
If you have sore throat,gargle a hot water with pinch of salt,the water should be take as long as you can hold the hot water on your throat.
How to get rid of phlegm,take fine chopped garlic with warm milk believe me 1 week of phlegm it will vanish,but as long as you can take the strong taste of the garlic,and take lots of fluids and try to take ginger tea the real one silver and grey mother of the bride wears