Licorice Root is used medicinally. Licorice Root has long been known for its ability to soothe respiratory inflammation. In Asian medicine, the root has also been used for boils, dehydration, diarrhea, eye diseases, headache, sore throat, and swellings from infections. For sore throat treatment in older children, a piece of licorice root may be chewed or licorice tea may be used. Licorice Tea is recommended 1 cup after each meal.