Single Herbs

Category	Xie Xia Yao 瀉下藥
Sub Category	Gong Xia 攻下
Name	Fan Xie Ye 番瀉葉 Senna leaf
Grown	India, Egypt, Sudan.
Source	The leaf of Cassia angustifolia Vahl and C. acutifolia Del.
Ingredients	Rhein, Hrysophanol, Aloe-emodin
Pharma Effect	The herb has a laxative effect. It also has an anti-viral propensity, and an inhibitory effect on infection of poisoned arrows.
Properties	Sweet, bitter, cold
Channels	Large intestine
Function	Purgative and dispels stagnation.
Clinic Usage	Treats constipation.
Cautions	Contraindicated during pregnancy. Overdosage may cause nausea, vomiting and abdominal pain.
Dosage	1.5~10g
Storage	Store in a dry, well-ventilated place.