What are the characteristics of Polygonum cuspidatum?

Bitter and cold in nature. Into the liver, gallbladder, lung and large intestine.

Efficacy indication

1. Clearing away heat and toxic materials can be used to treat carbuncle caused by heat toxin and poisonous snake bite. It can be mixed with rhubarb powder, strong tea, or Herba Taraxaci, Herba Violae and Lobeliae Chinensis. For the treatment of burns and scalds, it is often combined with Arnebia euchroma and Sijiqing, ground and applied to the affected area, or wet applied with Polygonum cuspidatum root 100% decoction.

2. Clearing dampness and heat is used for damp-heat jaundice with yellow eyes and greasy urine. It is often used with Yinchen, Lysimachia christinae and Tianjihuang. Used for pouring damp heat into bladder, short and red urine, endless dripping, burning and painful urethra. It is often used with Semen Plantaginis, Polyporus and Akebia. Used for leukorrhagia, yellow odor and itching caused by damp-heat betting. Often used with Sophora flavescens, Kochia scoparia, Cortex Phellodendri and Radix Gentianae.

3. Promoting blood circulation and removing blood stasis is used for blood stasis, amenorrhea and dysmenorrhea, and is often combined with motherwort, Achyranthes bidentata and Rubia. Rheumatalgia can be taken by decocting or soaking in wine alone, and can be used with honeysuckle, Spatholobus suberectus and trachelospermum. For traumatic injury, blood stasis, swelling and pain, it is often combined with angelica, safflower, frankincense, myrrh and Liu Yinv.

4. Resolving phlegm and relieving cough can be used alone or together with Scutellaria baicalensis Georgi, Houttuynia cordata Thunb and Eriobotrya japonica Thunb.

5. Diarrhea laxative is used for constipation caused by heat, either alone or in combination with other laxatives.

Dosage and usage: 10 ~ 30g, decocted in water, soaked in wine or made into pills and powder. Appropriate amount for external use.

It is forbidden for pregnant women to take it. The adverse reactions of this product are nausea, vomiting, diarrhea and neutropenia, so it is not advisable to overdo it.

It is said that Polygonum cuspidatum tastes bitter and cold, which not only promotes qi and blood, but also enters the blood. It can not only benefit liver, gallbladder, bladder, damp heat, stranguria and jaundice, but also clear blood heat, clear away heat and toxic materials, and remove blood stasis. People often use this product to treat poisonous snake bites, and it is known as "snake manager".

Identification of Rhizoma Polygoni Cuspidati and Radix et Rhizoma Rhei with similar drugs is beneficial to eliminating dampness and jaundice, clearing away heat and toxic materials, promoting blood circulation and removing blood stasis, and relaxing bowels, and can be used for treating damp-heat jaundice, heat toxic sore carbuncle, fire and water scald, amenorrhea, dysmenorrhea, traumatic injury, constipation due to accumulated heat, etc. However, rhubarb can clear away heat and purge fire, and its laxative power is stronger; Polygonum cuspidatum can also eliminate phlegm and relieve cough, dispel wind and remove dampness, and can be used for lung heat cough and rheumatic bone pain.

Polygonum cuspidatum and Spatholobus Spatholobus are both drugs for promoting blood circulation and removing blood stasis, but their effects are different: Spatholobus Spatholobus is sweet in taste and warm in nature, which has the effect of enriching blood, and the syndrome of blood stasis and blood deficiency is the most suitable; Polygonum cuspidatum tastes bitter and cold, and can cool blood and remove blood stasis. It is suitable for people with blood stasis.