Drink chrysanthemum tea. Chinese Medical Practitioners say Chrysanthemum is a cooling herb which clears the head. It is commonly known as Ju Hua Cha and is consumed in mainland China as a refreshing and cooling beverage. You can buy dried Chrysanthemum flowers at Asian supermarkets. Add boiling water with a little honey and you have a drink that is not only cooling, it is soothing to the body. Chrysanthemum Tea is also good at the first sign of headache, fever or chills.