Sermis liczarek Wroclaw. (2012). Skrzyp polny. Retrieved from: http://ziola.pisz.pl/tag/skrzyp-polny-ziola/
Botanical Name: Equisetum arvense
Common name: Horsetail
Family: Equisetaceae (Hoffmann, 2003, p. 547)
Parts used: Dried stem (Hoffmann, 2003, p. 547)
Constituents: Alkaloids (incl. nicotine, palustrine and palustrinine); Flavanoids (incl. isoquercitrin and equicetrin); (Sterols (incl. cholesterol, isofucosterol and campesterol); Silicic acid; and Saponin “equisitonin” (Hoffmann, 2003, p. 547)
- Vulnerary (Hoffmann, 2003, p. 547)
- Diuretic: Based on preliminary human trials (Natural Standard, 2014; Hoffmann, 2003, p. 547)
Traditionally used in Europe as an oral diuretic (Natural Standard, 2014). Clinical trials are limited, indications based on traditional use include:
In a human trial horsetail was found to effectively raise bone density (in combination), however the trial had low validity (Natural Standard, 2014).
- Nephrolithiasis (Natural Standard, 2014)
- Urinary tract infection (Natural Standard, 2014)
- Wound healing (topical) (Natural Standard, 2014)
- Hoffmann states the herb’s use in continence and bedwetting in children due to the herbs toning and astringent actions (2003, p. 547).
- Inflammation and benign enlargement of prostate gland (Hoffmann, 2003, p. 547)
- Chilblains (topical) (Hoffmann, 2003, p. 547)
The German commission E has approved horsetail for:
- Edema (post-traumatic and static edema)
- Urinary gravel
- Wound healing (topical)
- Irrigation therapy for bacterial and inflammatory disease of lower urinary tract
(Natural Standard, 2014)
The herbs diuretic action is supported by preliminary human trials (Natural Standard, 2014)
Preparation & Dosage:
- Tincture: (1:5 in 25%) 2-4mL/tds
- Infusion: 2tsp dried herb/1 cup water/tds
- Bath for rheumatic pain: Infuse 100g in hot water for 1 hour before adding to the bath.
Cautions & Contradictions:
- The Natural Standard state there is a theoretical rick of thiamine deficiency, hypokalemia and nicotine toxicity and therefore should be avoided in individuals with chronic alcoholism, renal insufficiency and cardiac arrhythmias (2014).
- Potentially unsafe in children (Natural Standard, 2014)