Here is a great herbal tea to have when you feel a cold coming on. It will help to alleviate your scratchy throat and make you feel warm. Staying hydrated during a cold is important to help the body recover.
One thick slice of ginger
1/4 teaspoon cinnamon
1/4 lemon or 1/2 lemon juice
One cup of hot water.
You can juice the ginger and lemon and add them to the water or grind the ginger and squeeze the juice from a lemon and add them to the hot water.
Source: The Encyclopedia of healing foods (Murray&Pizzorno,2005)