Pharmaceutical Name

Rhizoma Phragmitis

Botanical Name

Phragmites communis Trin.

Common Name

Phragmites, Reed root

Source of Earliest Record

Mingyi Bielu

Part Used & Method for Pharmaceutical Preparations

The rhizomes are dug at the end of spring, in the beginning of summer or in autumn. After the fibrous roots have been removed, the skin is peeled off and cleaned and dried in the sun.

Properties & Taste

Sweet and cold

Functions

1. To clear heat and relieve irritability; 2. To promote the production of body fluids and relieve thirst; 3. To stop vomiting

Meridians

Lung and stomach

Indications & Combinations

1. Febrile diseases manifested as thirst, irritability and fever. Reed root (Lugen) is used with Gypsum (Shigao), Ophiopogon root (Maidong) and Trichosanthes root (Tianhuafen). 2. Heat in the stomach with vomiting and belching. Reed root (Lugen) is used with the juice of Fresh ginger (Shengjiang), Bamboo shavings (Zhuru) and Loquat leaf (Pipaye). 3. Heat in the lungs manifested as cough, expectoration of thick, yellow sputum and pulmonary abscess. Reed root (Lugen) is used with Honeysuckle flower (Jinyinhua), Houttuynia (Yuxingcao) and Benincasa seed (Dongguaren).

Dosage

15-30 g

Cautions & Contraindications

This herb should be used with caution in cases with cold and deficient spleen and stomach.