Pharmaceutical name: 英文藥名﹕ | semen cannabis sativae |
Botanical name: 學名﹕ | Cannabis sativa L. |
Pron. in Japanese: 日語發音﹕ | |
Pron. in Korean: 韓語發音﹕ | |
Pron. in Cantonese: 粵音﹕ | fo2 maa4 jan4  |
Other Names: 別名﹕ | ma zi ren 麻子仁，da ma zi 大麻子，da ma ren 大麻仁，dong ma ren 冬麻子，huo ma ren 火麻子, ganja seed, marijuana seed, hemp seed. |
Common Name: 英文名﹕ | hemp seed |
Distribution: 產地﹕ | Mainly in Heilongjiang, Liaoning, Jilin, Sichuan, Gansu, Yunnan, Jiangsu, Zhejiang provinces of China. 主產黑龍江，遼寧，吉林，四川，甘肅，雲南，江蘇，浙江。
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Properties (characteristics)﹕ 性味﹕ | sweet, neutral. 甘，平。 |
Channels (meridians) entered: 歸經﹕ | spleen, stomach, large intestine. 脾，胃， 大腸 |
| Medical functions: 藥理﹕ | |
Actions & Indications: 主治﹕ | being used in treatment of constipation, acute infection of urinary tract, rheumatoid arthritis, diarrhea, irregular menses, scabies, stroke with sweating, postpartum sweating, short and dark urine, boils of face and head of little children. 治腸燥便秘，熱淋 (急性泌尿系 感染)，風濕痺痛，痢疾，月經不調，疥癬，中風汗出，產後多汗，小便短 赤 ，小兒頭面瘡等。 |
Chemical ingredients: 化學成份﹕ | |
Dosage: 用量﹕ | 9 to 15 g in decoction. 煎湯：9-15 克 |
Samples of formulae :處方舉例﹕ | |
Modern Research: 現代研究﹕ | |
Toxicity & Cautions: 毒素與禁忌﹕ | Over eating can damage circulation and cause impotence.. Not to use in cases of loose bowels. 60 to 120 g is the toxic level. There are clinical reports that toxic reaction in overdose had caused nausea, vomiting, diarrhea, numbness in the limbs, antsy and anxiety, confusion, wild movements, rapid heart rate, dilated pupils, stupor, and coma. Not to use with mu li, bai wei, fu ling to avoid lowering the effectiveness of ma ren. 多食損血脈，滑精氣，痿陽事。【1】 腸滑者忌服 60～120克為火麻仁的中毒劑量。臨床報道有人在服用了大量的火麻仁後中毒，表現為惡心，嘔吐，腹瀉，四肢發麻，煩燥不安，精神錯亂，手 舞足蹈，脈搏增速，瞳孔散大，昏睡，昏迷等。因此在用藥時一定要注意控制劑量。 惡茯 苓一 味，畏牡 蠣，白 薇。 【2】 |