Sweet, bitter and cold, toxic. Functional purgative and water-expelling drink is a powerful drug for expelling water, which is a strong purgative and beneficial drug. It can be used for severe abdominal surgery, pleural effusion and edema. For example, Radix Scutellariae, Radix Aucklandiae, Fructus Amomi, etc. can be used for the treatment of dropsy (ascites due to cirrhosis, ascites due to schistosomiasis, etc.). With Daphne genkwa, Rhizoma Dryophylli, almond, etc., it is used to stop the accumulation of chest and hypochondrium (pleural effusion) when drinking water. With mirabilite and rhubarb, it is used for exogenous pathogenic heat and internal water storage to gather between the chest, hypochondrium and abdomen (chest knot). With morning glory, used for edema and abdominal fullness (renal edema) and so on.

This product enters the three meridians of lung, spleen and kidney, and can expel water, evil phlegm and drink from the upper, middle and lower jiao, so that water can be excreted from stool. It can be used alone or in combination with other drugs. The active ingredients contained in this product are insoluble in water, so it is often used as powder or pill.

Raw kansui has strong effect and great toxicity, while simmering kansui has weak purgative effect and less toxicity. After being roasted with vinegar, it can slow down its purgative effect and reduce its toxicity. This product is anti-licorice, and its toxicity will be enhanced when used together with licorice.

Dosage: 1-3 points for raw kansui, 5 points for simmering kansui and 1 money for vinegar. It is advisable to start with a small amount and gradually increase the amount according to the situation.

This product is a purgative, with strong purgative power, deficiency syndrome, weakness and pregnant women.