Drive Out Excess Water
Purges and drives out congested fluids.
Shang Han Lun (Eastern Han - approximately 200 AD)
Dispel water stagnation in the channels and organs. Signs and symptoms include cough with pain in the hypochondria and chest, hard glomus in the epigastrium, shortness of breath, dry heaves, headache and vertigo. Tongue coat is white and slippery, pulse is submerged and wiry. There could be chest pain extending to the back.
Preparation note: Grind first three ingredients to powder and take in 0.5-1g doses with a decoction of 10 pieces of Da Zao