Herbs that Release the Exterior

Which herb relieves heat and generates body fluids? For thirst due to Stomach heat, especially during a wind-heat attack.

Ge Gen is cool and sweet, and it enters the Spleen and Stomach channels. Therefore it can generate body fluids (Stomach yin).

Source: Bensky, D. (2004). Chinese Herbal Medicine: Materia Medica. Seattle, WA: Eastland Press. pp. 70-71. [Q916]