| Apocynum |
| Apocynum venetum | | Apocynaceae | | Luo Bu Ma | | (Luo Bu means to spread out; ma refers to hemp like plants, with tough stems; the herb grows like a weed, spreading out over a large area) | | Chinese Dogbane | | Leaf (collected in summer while growing luxuriantly) | | Bland, Astringent | | Slightly Cold | | Calm the liver to extinguish internal wind, lower blood pressure, promote diuresis | | Traditional Chinese applications |
| Liver heat, preponderance of liver yang, and internal wind causing symptoms of headache, vertigo, restlessness, and insomnia; hypertension; edema | | Possible unwanted effects |
| None noted; however, Apocynum plants contain apocynin, cymarin, and apocynein, which can be toxic in large doses; the result of taking a large amount may be diarrhoea; prolonged use of high doses may cause cardiac insufficiency | | None reported; however, caution should be taken in combining this herb with hypotensive and diuretic drugs to avoid excessive lowering of blood pressure | | TCM and other contraindications |
| Cases without internal wind or edema | | Not currently included in Sen tablet formulas
| | Subhuti Dharmananda, Ph.D. Institute for Traditional Medicine | | 15 Nov 2002 |
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