Translated by Dr. Lim Siow Jin @ 2015 all rights reserved.
31. Exo-yang illness, stiff neck and upper back, difficult to look up and down, no sweat and aversion to wind, treat with Ge Gen Tang.
Ge Gen Tang =========== Gegen 12g, cut Mahuang 9g, Guizhi 6g, sliced Shengjiang 9g, Gancao 6g, Mizhi Shaoyao 6g, Dazao 12 pcs. Cut and chop the above herbs, add 600 ml water with Mahuang and Gegen first, boils to 480 ml, remove the white broth on top, add in all the herbs, boils to 200 ml and drink it warm. After consuming the soup take some rest and cover the body with some cloth, warm the body to help to induce sweating slightly like the procedure for Guizhi Tang. Most similar formulation are following this procedure.