WH Acupuncture & Herbs Centre

The source is from the seed of Pharbitis nil ( L. ) Choisy or Pharbitis purpurea (L.) Voigt, family Convolvulaceae. The medicial material is collected in the end of autumn when the fruits are ripe and the fruit shell does not split open, and dried in the sun. The raw or stir-baked forms are utilized as medicine.

[ Medicinal Properties ]: Bitter, cold,toxic; relate to the lung, kidney and large intestine meridians.

[ Usage and Dosage ]: 3-6g. It is takenorally. If it is added to pill or powder for, 1.5-3g. The fried form can moderate the medicinal's properties.

[ Precautions ]: It should be contraindicated in pregnant women. It is incompatible with Badou and Badoushuang.

[ Side Effects ]: Large dose can induce vomiting, abdominal pain, diarrhea, bloody and mucoid stool. It can aslo damage the kidney toinduce hematuresis. Even it can damage CNS to induce language disorder and coma,etc.

 

[ Clinical Applications ]: 1. Edema and tympanites     It has actions of purging fluid inferior to Gansui and Jingdaji. For edema and tympanites, it can be pounded into powder alone, or ground into powder together with Xiaohuixiang prepared with Jiangzhi. It is also used together with Gansui and Jiangdaji, such as in Zhouche Pill.

 

2. Cough and dyspnea due to phelgm and fluid     For cough and dyspnea due to stagnation of qi in the lung and phlegm and fluid manifested as edema in the face and eyes, it can be gruond into powder together with Dahuang and Binglang.

 

3. Abdominal pain due to accumulation of worms     For abdominal pain due to ascariasis and taeniasis , etc., it can be ground into powder together with Binglang and Shijunzi for oral use.

牵牛子为旋花科植物裂叶牵牛Pharbitis nil（L.） Choisy或圆叶牵牛Pharbitis purpurea （L.） Voigt的干燥成熟种子。全国大部分地区均产。秋末果实成熟、果壳未开裂时采收，晒干。生用或炒用，用时捣碎。