Key Constituents

Polysaccharides (the fructan triticin) and mucilage^{[4, 5]}

Soothing, demulcent carbohydrates of the rhizome.

PolysaccharidesMucilage

Flavonoids and phenolic acids (caffeoyl/feruloyl quinic esters)^[4]

Antioxidant constituents.

Phenolic acidsFlavonoids

Small amount of volatile oil (agropyrene)^[5]

Minor aromatic constituent.

Essential (volatile) oil

Pharmacological Actions

Demulcent (soothing mucilage)^[5]

Soothing demulcent (mucilage) for urinary-tract irritation

Diuretic^{[4, 5]}

Diuretic irrigation of the urinary tract - adjuvant in minor urinary complaints (taken with plenty of fluids)

Traditional & Indicated Uses

Cough^[5]Traditional · 1/10

inferred from demulcent action

more plants for cough →detailed sources →

Kidney support

more plants for kidney support →detailed sources →

Skin irritation^[5]Traditional · 1/10

inferred from demulcent action

more plants for skin irritation →detailed sources →

Sore throat^[5]Traditional · 1/10

inferred from demulcent action

more plants for sore throat →detailed sources →

Swelling / fluid retention^[4]Traditional · 1/10

Supports mild fluid retention / swelling

more plants for swelling / fluid retention →detailed sources →

Urinary support^{[4, 5]}Traditional · 1/10

inferred from diuretic action

more plants for urinary support →detailed sources →

Urinary tract infection (UTI)^{[4, 5]}Traditional · 1/10

Diuretic irrigation of the urinary tract - adjuvant in minor urinary complaints (taken with plenty of fluids)

more plants for urinary tract infection (uti) →detailed sources →

Safety, Cautions & Contraindications

Safety note^[4]Caution

Drink plenty of fluids during use. Irrigation therapy must NOT be used if there is oedema (swelling) due to impaired heart or kidney function.

Safety note^[4]Caution

Traditional use only; if urinary symptoms persist or are accompanied by fever, spasms or blood in the urine, seek medical care. Use in pregnancy and breastfeeding is not recommended.

References

REF-0710, REF-0711, REF-0712

References & Sources

Zhakipbekov, K.S., Serikbayeva, E.A., Tleubayeva, M.I. et al (2026) 'Elymus repens (L.) Gould: Phytochemistry, Pharmacological Activities and Therapeutic Potential with Future Perspectives', International Journal of Molecular Sciences, 27(11), pp. 4928. doi:10.3390/ijms27114928 Traditional / reference
https://doi.org/10.3390/ijms27114928
Bortolami, M., Di Matteo, P., Rocco, D., Feroci, M. and Petrucci, R (2022) 'Metabolic Profile of Elymus repens (L.) P. Beauv. Rhizome Herbal Tea by HPLC-PDA-ESI-MS/MS Analysis', Molecules, 27(15), pp. 4962. doi:10.3390/molecules27154962 Preclinical
https://doi.org/10.3390/molecules27154962
Kasote, D.M., Jagtap, S.D., Thapa, D., Khyade, M.S. and Russell, W.R (2017) 'Herbal remedies for urinary stones used in India and China: A review', Journal of Ethnopharmacology, 203, pp. 55-68. doi:10.1016/j.jep.2017.03.038 Traditional / reference
https://doi.org/10.1016/j.jep.2017.03.038
European Medicines Agency (HMPC) (2022) 'European Union herbal monograph on Agropyron repens (L.) P. Beauv., rhizoma (Agropyri repentis rhizoma)'. Available at: https://www.ema.europa.eu/en/medicines/herbal/agropyri-repentis-rhizoma Traditional / reference
https://www.ema.europa.eu/en/medicines/herbal/agropyri-repentis-rhizoma
ESCOP (European Scientific Cooperative on Phytotherapy) (n.d.) 'Graminis Rhizoma (Couch Grass Rhizome) monograph', pp. com. Available at: https://www.escop.com/downloads/graminis/ Traditional / reference
https://www.escop.com/downloads/graminis/

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