Botanical Overview
Elymus repens (rhizoma), commonly known as Couch grass or Quackgrass, belongs to the Poaceae family. The medicinal part used is the rhizome, primarily harvested for its traditional uses. It is native to Europe, Asia, and North America.
Energetics
This plant is characterized by a cooling temperature and moistening moisture quality. Its taste is primarily sweet and bland, with a relaxing tonicity impacting fluid aspects of the body.
Primary Actions
- Diuretic
- Demulcent
- Anti-inflammatory
- Antibacterial
- Expectorant
Indications
Western
- Urinary tract infections
- Cystitis
- Kidney stones
- Bladder irritation
- Edema
- Skin inflammations
- Bronchitis
Syndromes
- Urinary tract disorders
- Inflammatory conditions
- Fluid imbalance
TCM
No well-documented traditional uses in TCM found.
Ayurveda
No well-documented traditional uses in Ayurveda found.
Unani
No well-documented traditional uses in Unani found.
Constituents & Mechanisms
Contains flavonoids, saponins, mucilage, polysaccharides, and silica compounds contributing to its diuretic, soothing, and anti-inflammatory effects.
Dosage & Preparations
- Decoction of rhizome: 2-4 g, taken 2-3 times daily
- Infusion: 1:10 ratio, 10-20 mL, 2-3 times daily
Safety & Contraindications
Generally safe in traditional use; however, avoid during pregnancy and lactation due to lack of safety data. Use with caution in individuals with kidney impairment. No major known drug interactions. Rare allergic reactions may occur.
Astrological Correspondences
Not established based on credible sources.
Selected References
- Community Herbal Monograph on Elymus repens (rhizoma), European Medicines Agency, 2015
- Elymus repens (Couch grass), Plants For A Future Database
- Principles and Practice of Phytotherapy, Mills S & Bone K, 2000