Astragalus (remove sprouts and soil) 30 gm (1 liang) Ephedra root (washed) 30 gm (1 liang) Oyster (soaked in rice water, scrubbed clean, burned until red-hot) 30 gm (1 liang)

bubble_chart Preparation and Dosage

Grind the above three ingredients into coarse granules. Take 9 grams (3 qián) each time, boil with 220 ml (1.5 zhǎn) of water and over 100 wheat grains until reduced to 180 ml (8 fēn). Strain and take hot, administer twice a day, at any time.

bubble_chart Efficacy

Consolidating exterior and stopping sweating.

bubble_chart Indications

Weakness and lack of external defense, often experiencing spontaneous sweating, which worsens at night and persists for a long time, leading to emaciation and withered thinness, accompanied by palpitations, fear, vigilance, shortness of breath, and fatigue.

bubble_chart Formula Principles

In the formula, oyster shell is used to astringe and stop sweating, as well as to subdue yang. Astragalus Root replenishes qi and consolidates the exterior. Ephedra Root stops sweating, enhancing the effects of consolidating the exterior and stopping sweating. Light wheat is added to nourish heart yin. When these herbs are used together, they collectively achieve the effects of replenishing qi and consolidating the exterior, as well as astringing yin to secure the external.

bubble_chart Cautions and Contraindications

Night sweats due to yin deficiency with effulgent fire should be avoided.