Ginger tea is an Asian herbal-beverage that was made from ginger root. It has a long history been used as an herbal medicines in East Asia, South Asia, Southeast Asia and the Middle East.
Ginger tea is usually used to prevent colds and to aid digestion, stomach upset, diarrhea, and nausea, and also as a home remedy for cough and sore throats. Ginger tea was also purported to aid blood circulation.