This product is an evergreen woody vine of the India Madder Root family, Uncaria (Uncaria rhynchophylla (Miq.) Jacks.) Big-leaved Uncaria (U. macrophylla Wall.) Uncaria ( U. hirsuta Havil.) Uncaria (U. sinensis (Oliv.) Havil.) or Uncaria (U. sessilifructus Roxb . ) with hooked stem branches. Produced from the south of the Yangtze River to Fujian, Guangdong, Guangxi and other provinces. Harvest the hooked twigs in spring and autumn, cut off the hookless canes and dry them in the sun. Either put it in a pot and steam it for a while, or scald it slightly in boiling water and then take it out and dry it in the sun. Cut into sections and used as medicine.

sweet, slightly cold, act on liver and heart channels.

[Efficacy]

It calms wind and relieves spasm, clears away heat and calms the liver.

[Indications]

1. Used for internal stirring of liver wind and fright epilepsy convulsion. Uncaria is sweet and slightly cold. It enters the liver and has the effect of calming wind and relieving spasm. It is a commonly used medicine to treat internal stirring of liver wind and fright epilepsy convulsion. It is also mostly used in children. If used to treat infantile convulsion, high fever unconsciousness, trismus, convulsion of hands and feet, etc., it is often used with Gastrodia Tuber and scorpion, that is, Uncaria Decoction ; Used to treat warm febrile disease, extreme heat producing wind, and convulsion. It is often used with antelope horn, Peony Root, Chrysanthemum Flower and other combinations of medicinals, such as Antelope Horn and Uncaria Decoction; used to treat epilepsy, cry, convulsion, and can be combined with Tabasheer and Cicada Slough , Coptis Rhizome are equivalent, such as Uncaria Decoction.
2. For headache, vertigo. This product not only clears liver heat and calms liver yang, it can be used to treat headache and vertigo caused by liver fire or ascendant hyperactivity of liver yang. Those who belong to liver fire are often combined with Prunella, Gardenia, Skullcap Root and other medicinals: those who belong to liver yang are often combined with Gastrodia Tuber, Abalone Shell, Chrysanthemum Flower and other combinations of medicinals.
3. In recent years, 20% Uncaria decoction has been used to treat hypertension. It has a mild antihypertensive effect. Except for patients with late stage [third stage] hypertension, most patients have their blood pressure dropped to varying degrees. As the blood pressure drops, , the patient's subjective symptoms such as headache, dizziness, insomnia, flustered ness, and shortness of breath are also reduced or disappeared accordingly.
4. In addition, this product can be used together with Cicada Slough and Mentha to treat night crying in children and has the effect of cooling the liver and relieving convulsions.

[Documentation]

1. Bielu: "The main child Hanre, twelve fright epilepsy."
2. Yaoxing Lun: "The main child is shocked. "Crying, convulsion or heat congestion."
3. Bencao Gangmu: "Adults have dizzy vision, flat liver wind, heart heat, and children have convulsions with visceral colic abdominal pain, macula and papule."

[Usage and Dosage]

Decoct and take 10-15g. Its active ingredient, Uncaria alkali, is easily destroyed when heated, so it should not be fried for a long time, generally no more than 20 minutes.

[Modern Pharmacology]

This product contains Uncaria base, iso-Uncaria base, etc.

• Uncaria decoction 0.1g/kg, intraperitoneally injected into mice can produce obvious sedative effects, but no hypnotic effect.
• Intraperitoneal injection of Uncaria decoction 1g/kg into rats can reduce the excitability of the cerebral cortex, causing partial positive conditioned reflexes to disappear and prolong the time.
• Uncaria ethanol extract can prevent the onset of epileptic reactions in guinea pigs and has a certain inhibitory effect on the increase in the excitability of the central movement analyzer.
• Uncaria decoction has antihypertensive effects on anesthetized dogs, rabbits and experimental rats.
• Uncaria alkaline inhibits isolated intestinal tubes and excites isolated rat uterus.