Couchgrass (Eltrygia repens)


Couchgrass Overview:

Coushgrass is considered a weed in most places. It can grow in both hot and cold, dry and wet, sunny or shady locations with ease and spreads via millions of tiny seeds, as well as tough creeping rhizomes.

it is these tough creeping rhizomes that are used medicinally. They contain a set of sugar compounds that are able to sooth the mucosa throughout the body. This includes the urinary tract, respiratory tract, and gastrointestinal tract. This demulcent or soothing activity makes is useful for conditions invovling inflammation, infection, or hyperpermeability.

These sugars are also responsible for its abil;ity to treat gout, and increase urin flow through osmoti pressure. As such, couchgrass is one of the most popular herbs for treating gout.


  • Urinary tract infections


  • None noted

Herbal Actions:

  • Antimicrobial
  • Demulcent
  • Diuretic
  • Urinary demulcent

Main Uses:

Couchgrass is mainly used to treat inflammation and infection of the urinary tract, kidney and bladder inflammation and calculi, prostatitis, gout, and rheumatism.


Daily Dosage

Liquid Extract

Ratio: 1:1

3-6 mL/day

Weekly Dosage

Liquid Extract

Ratio: 1:1

20-40 mL/day

Part Used


Family Name



North America

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Constituents of Interest

  • Triticin
  • Inositol
  • Mannitol
  • Agropyrene

Common Names

  • Couchgrass
  • Triticum
  • Agropyron
  • Dogs Grass

Botanical Info:

As a member of the grass family (Gramiaceae) couchgrass is just one of 12,000 species of flowering plants contained within 780 genera.


Research Overview:

Level Of Research:

Clinical Applications Of Couchgrass:

The sugars, mucilage, and flavonoids of Agropyron repens makes it useful for treating conditions involving the mucus membranes. This includes the respiratory tract, gastrointestinal tract, and urinary tract mucosa. It has an affinity for the urinary tract, also offering support to damaged kidneys through osmotic diuretic action, urinary tract infections, kidney and bladder inflamamtion, prostatitis, and gout.

Couchgrass is also used to treat rheumatoid arthritis and gastrointestinal inflammation.



Caution is advised when using potassium-depletion diuretics as couchgrass may potentiate the problem of potassium depletion.


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For a list of references, visit the full couchgrass monograph