Source: Expounding on the Origins of Medicine (Yuan)

Indication: Qi & Yin Deficiency, Lungs primarily

Symptoms: Chronic cough with sparse sputum that is difficult to expectorate shortness of breath, spontaneous sweating, dry mouth and tongue

Tongue: pale, red; Pulse: deficient, rapid or deficient, thin

Three ingredient Sheng Mai San, is a powerful combination of herbs that strongly generate fluids. Sweet, warm, and bitter, Ren Shen strongly tonifies the source qi, thereby supporting the qi that generates fluids. When source qi is strong, the Lungs are not deficient, and the leakage of Lung qi will cease. Sweet, cold and bitter Mai Men Dong acts directly on the body fluids by nourishing Yin and moistening the Lungs. It is cool and clears heat from the Heart to eliminate irritability that can occur with this pattern. Warm, sour, and sweet Wu Wu Zei, astringes to restrain leakage (stop cough and sweat).