Common Rush

Source Rush Pith is the dried stem pith of Juncus effusus L. (Fam. Juncaceae)

Producing Areas Jiangsu, Sichuan, Guizhou and Yunnan, etc.

Properties Sweet, Neutral, Slightly Cold
Channels Heart, Lung, Small Intestines


  • Clears heart fire
    Treats oliguria, painful urination and dark scanty urination.
  • Calms the mind and treats insomnia due to kidney -yin deficiency.
  • Relieves sores in the mouth and on the tongue.

Usage and Dosage
1–3 g is used in decoction for oral use.

Keep in a dry place

Description of Quality Herb
The good one is long, white, soft and elastic.

Professional Tips

Identifying Dengxincao and Tongcao (Medulla Tetrapanacis Papyriferi)
Similarities: Both are sweet in flavour and slightly cold in nature, can clear away heat from the heart, promote diuresis and treat stranguria.
Differences: Dengxincao also can treat palpitation, insomnia and infant night cry. Dengxincao can promote lactation as well.