According to folklore when in the garden this herb is used by dogs with an upset stomach to make themselves sick.
Couch grass is used internally for kidney and bladder complaints, enlarged prostate, nephritis, urinary tract infections such as cystitis and urethritis. It also has a great supportive liver action.
Couch grass is laxative and also known to lower cholesterol levels in the blood. Its cleansing action is also useful for gout and rheumatism. Couch Grass is quite nutritious containing Vitamins A & B, and minerals potassium and iron.
A tea made from the roots is useful for treating urinary infections because of the herb’s broad antibiotic, and diuretic properties.
One of the chemical constituents, agropyrone, has been shown to have strong antibiotic properties.
Cough grass tea will also soothe and coat an inflamed sore throat, and helps clear phlegm. The herb contains mucilage that helps to clear congestion while it coats the throat.