Xu Changqing, the name of Chinese medicine, is also called Ghost Poison Friend, Biexian and Shi Xia Evergreen. Xu Changqing is warm and pungent, belonging to liver meridian and stomach meridian, and can be used externally or orally. It has the effects of expelling pathogenic wind, promoting blood circulation and detoxicating, and relieving itching and pain. It is generally used to treat toothache, dysmenorrhea, traumatic injury, herpes zoster, rash and eczema.

The efficacy of Xu Changqing

First, sedation and analgesia.

Xu Changqing contains brass glycosides, paeonol, volatile oil, sugars, amino acids, and a small amount of alkaloids, vitamins and trace elements. Xu Changqing, paeonol and the decoction with paeonol removed all have analgesic effects. Paeonol also has sedative effect.

Second, lower blood pressure and cholesterol.

Xu Changqing can dilate blood vessels, increase coronary blood flow, slow down heart rate, soften blood vessels and reduce peripheral resistance, thus achieving the effect of lowering blood pressure. Xu Changqing can also lower cholesterol, prevent atherosclerosis and thrombosis, and improve human metabolism.

Third, dispel wind and relieve itching.

Xu Changqing has the function of expelling wind and relieving itching, and can be taken orally or decocted. Xu Changqing has a good effect of expelling wind and detoxifying, so it has a good effect on skin diseases such as itching, dermatitis and herpes zoster, especially urticaria.

Matters needing attention in Xu Changqing

Xu Changqing generally has no obvious side effects, but it is not suitable for people with yin deficiency and excessive fire or physical weakness. Xu Changqing is generally not suitable for long-term use alone, and is not recommended for people with wind, cold and dampness. Taking drugs should be taken under the guidance of a professional doctor to avoid harm to the body.