制南星 天南星 Zhi Nan Xing / Processed Rhizoma Arisaematis

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Description

制天南星又称制南星、姜制天南星、姜南星。

天南星

【英文名】 RHIZOMA ARISAEMATIS

【别名】南星、白南星、山苞米、蛇包谷、山棒子胆南星

性味归经】苦、辛,温;有毒。归肺、肝、脾经。该物种为中国植物图谱数据库收录的有毒植物,其毒性为块茎有毒。

【功能主治】燥湿化痰,祛风止痉,散结消肿。用于顽痰咳嗽,风痰眩晕,中风痰壅,口眼歪斜,半身不遂,癫痫,惊风,破伤风。生用外治痈肿,蛇虫咬伤。

【用法用量】一般炮制后用,3 ~9g;外用生品适量,研末以醋或酒调敷患处。

【注意】孕妇慎用。

 

Naming

Tian Nan Xing (Rhizoma Arisaematis)——Shen Nong Ben Cao Jing (Shen Nong’s Herbal)

Origin

The dry tuber of perennial herbaceous plant Arisaema erubescens (Wall.) Schott, A. heterophyllum Bl. or A. amurense Maxim. of family Araceae.

Location

Henan, Sichuan provinces and northeast China.

Harvest

Collected in autumn and winter when stem and leaf withered.

The actual smell and taste

Lightly pungent smell and spicy taste.

Processing

Processed with ginger juice and alum.

Property

Bitter, pungent, warm, toxic; lung, liver and spleen meridians entered.

Actions

Dry dampness and resolve phlegm, extinguish wind and stop spasms, resolve swelling and dissipate nodulation externally.

Indications

A. Damp-phlegm, cold-phlegm

Its action of drying dampness and resolving phlegm is slightly weaker than that of Ban Xia while warmer, dryer and more toxic than that of Ban Xia. So it is not used as common as Ban Xia when treating damp-phlegm and cold-phlegm. For damp-phlegm obstruction of lung, cough and profuse expectoration and distension and oppression of chest and diaphragm, it is usually combined with dampness-drying and phlegm-resolving herbs. For instance it is combined with Ban XiaZhi Shi and Ju Hong n Dao Tan Tang from Chuan Xin Shi Yong Fang (Practical Prescription of Message Delivery). For cough due to phlegm-heat, it is combined with lung-clearing and phlegm-resolving herbs. For instance it is combined with Huang Qin and Ban Xia in Xiao Huang Wan from Bao Ming Ji written by Zhang Jiegu.

B. Syndrome of wind-phlegm

This herb is good at dispelling wind-phlegm from meridians and collaterals to stop spasms, so it is usually indicated for all the syndromes of wind-phlegm. For hemeplega, stubborn numbness of hands and legs, and deviated mouth and eyes resulted from wind-phlegm accumulation of meridians and collaterals, it is usually combined with damp-drying and phlegm-resolving herbs. For instance it is combined with Ban XiaBai Fu Zi and Chuan Wu in Qing Zhou Bai Wan Zi from Tai Ping Hui Min He ji Ju Fang. For wind-phlegm vertigo, it is usually combined with dampness-drying and phlegm-resolving herbs and liver-pacifying and wind-extinguishing herbs such as Ban Xia, Tian Ma and Gou Teng. For epilepsy caused by upward obstruction of phlegm and turbidity in clear orifice, it is combined with phlegm-resolving resuscitatives and wind-extinguishing and spasms-stopping herbs. For instance it is combined with Ban Xia, Quan XieJiang Can and She Xiang in Wu Xian Wan from Yang Shi Jia Chang Fang (Yang’s Family Recorded Prescriptions).

C. Abscess, deep rooted carbuncle, swelling and pain, snake and insect bite

This herb can attack toxin, dissipate nodulation and resolve swelling externally. It is ground with vinegar singly for external application. For exuberant heat-toxin accumulation, it is better combined with other heat-clearing and toxicity-relieving herbs, and abscess and swelling-dispelling herbs. For instance it is combined with Da HuangTian Hua Fen and Huang Bai in Ru Yi Jin Huang San from Wai Ke Zheng Zong. For phlegm nodule and scrofula, it is ground and mixed with vinegar for external application, or combined with other phlegm-resolving and nodulation dissipating herbs. For poisonous snake bite, it is combined with Xiong Huang applied externally.

Dosage and Administrations

Decoct 3~10 g. Mostly processed. Proper dose for external application.

Cautions

Prohibited for yin deficiency with dry phlegm and the pregnant women.

Additional information

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