Xu Changqing is a common Chinese medicinal herb, which is used for its root and rhizome. It has high medicinal value and can be used after drying in the autumn. It has the functions of diuresis, reducing swelling, activating blood circulation, detoxification, and relieving pain and cough. Let's take a closer look at the efficacy and function of Xu Changqing!
【Efficacy and Function of Xu Changqing】
1. Anti-inflammatory and analgesic
Used for various pains such as rheumatism, back pain, pain from injuries, abdominal pain, and toothache. Xu Changqing has a good effect in dispelling wind and relieving pain, and is widely used for various pains caused by rheumatism, cold stagnation, qi stagnation, and blood stasis.
In recent years, Xu Changqing has also been used for postoperative pain and cancer pain, showing certain analgesic effects. It can be used alone or in combination with other related drugs.
2. Dispelling wind and relieving itching
Used for skin diseases such as eczema, urticaria, and stubborn psoriasis. Xu Changqing has the effect of dispelling wind and relieving itching. It can be taken orally alone or used as a decoction for external washing. It can also be combined with bitter sophora root, di fu zi, bai xian pi, and other drugs that clear away damp-heat.
In addition, Xu Changqing can also counteract snake venom and treat snake bites. It can be used internally or externally in combination with ban bian lian.
【Methods of Using Xu Changqing】
1. For herpes zoster, contact dermatitis, stubborn urticaria, and psoriasis: take two to four qian (1 qian = 3.75 grams) of Xu Changqing. Decoct in water for oral administration and use for external washing on affected areas.
2. For bruises, swelling, and fractures: take an appropriate amount of fresh Xu Changqing, mash it and apply it to the affected area.
3. For urinary retention: take half an liang (1 liang = 50 grams) of Xu Changqing (moxibustion treated), three fen (1 fen = 0.375 grams) of mao gen, one liang each of mu tong and dong kui zi, two liang of hua shi, one fen of bing lang, and half a liang of qu mai sui. Take five qian (1 qian = 3.75 grams) per dose, decoct in water, and add one qian (1 qian = 3.75 grams) of pu xiao. Take it warm. This formula is called "Xu Changqing Tang".
4. For motion sickness: crush Xu Changqing, shi chang sheng, che qian zi, and che xia li gen into equal parts, and put half a he (1 he = 3.75 grams) in a bag to be worn on the belt.
【Precautions for Using Xu Changqing】
1. It is not suitable for long decoction. People with weak constitution should be cautious when taking it.
2. It is non-toxic and does not cause discomfort when taken orally in regular doses. Long-term use or large doses (less than 30 grams) of decoction also do not have obvious side effects.
3. It is prohibited during menstruation. Women's bodies are relatively weak during menstruation, so it is recommended to use it with caution.
4. It is prohibited for pregnant women. It can cause poor fetal development and bleeding, leading to miscarriage.
