The Lesser-Known Herb: Gan Sui - Effects, Usage, and Precautions

January 12, 2024

When it comes to Gan Sui, many people are unfamiliar with it, mainly because it is not commonly used in traditional Chinese medicine. It is mostly used for clearing heat and promoting diuresis, treating sores, carbuncles, and swelling. However, it is worth mentioning that Gan Sui is a kind of mildly toxic herb, so extra caution must be taken when using it!


  [Effects and Functions of Gan Sui]

  1. Promoting diuresis and reducing swelling

  Gan Sui is a kind of herb that can promote diuresis and reduce swelling. It can improve kidney function and accelerate the metabolism of excess water in the body. When people experience difficulty in urination or have kidney inflammation causing edema, taking Gan Sui can quickly reduce the swelling and alleviate discomfort.

  2. Breaking up accumulation and relieving constipation

  Gan Sui is also a herb that enters the large intestine meridian. It can maintain the stability of the intestinal function, prevent intestinal flora imbalance, and effectively treat common symptoms such as abdominal distention, dry and hard stool, and constipation. It can keep the bowels regular and prevent the accumulation of various toxins in the body.


  [Usage of Gan Sui]

  For women with bloating in the lower abdomen, slight difficulty in urination without thirst, and postpartum symptoms, this may be due to the stagnation of water and blood in the blood chamber: 4 liang of Rhubarb, 2 liang of Gan Sui, and 2 liang of Donkey-hide gelatin. Cook the three ingredients with 3 sheng of water until it is reduced to 1 sheng. Take it in one go, and the blood will be eliminated.

  For the treatment of constipation: Mix Gan Sui powder with raw flour paste and apply it to the navel and Dan Tian, then perform moxibustion three times. Drink licorice soup to promote bowel movement.

  For people with hidden pulse and a desire to relieve themselves, but the more they relieve themselves, the faster the symptoms of persistent hardness and fullness below the heart become, this is due to the removal of retained fluid: 3 large pieces of Gan Sui, 12 pieces of Ban Xia, 5 pieces of Bai Shao, 1 piece of Gan Cao (heated if the size is like a finger). Decoct in water, mix with honey and take it. The Gan Sui in the formula purges water and promotes drinking, making it the principal medicine.

  [Precautions]

  Raw Gan Sui is toxic and usually needs to be processed with vinegar before it can be used medicinally, with a ratio of 10 (raw Gan Sui) to 3 (vinegar) for processing.

  According to the Eighteen Incompatibilities and Nineteen Fears, Gan Sui should not be taken with Gan Cao (licorice).

  Raw Gan Sui is one of the 28 toxic medicinal materials under special management by the state. Please do not use it without the guidance of a physician.

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