4.5 grams of arsenic (ground into powder in water) and 45 grams of good-quality fermented black beans (slightly moistened with water, left for a short time, dried with paper, and ground into a paste).

bubble_chart Preparation and Dosage

Mix the above ingredients with fermented soybean paste and arsenic, grind them thoroughly until uniform, and form into pills the size of hemp seeds. Take 15 or 10 pills per dose, with a reduced dosage for children.

bubble_chart Efficacy

Expel cold, resolve phlegm, relieve cough, and calm asthma.

bubble_chart Indications

Years of lung qi, wheezing and coughing, unable to sleep morning and night.

bubble_chart Formula Principles

Fang Zhongxin's arsenic is highly pungent and sour, expelling cold and dispelling phlegm; Fermented Soybean is effective in dispersing the stagnant qi in the chest and can also detoxify arsenic. The combination of these two medicines works to dispel cold phlegm and relieve asthma. However, arsenic is a highly toxic substance and should not be taken in large amounts or for a prolonged period.