Yellow Dock
rumex crispus
Medicinal Actions
Elephantiasis, Allergenic, Alterative, Analgesic, Antiangiogenic, Antibacterial, Anticancer, Antipyretic, Antiscorbutic, Antiseptic, Antispasmodic, Astringent, Cholagogue, Cytotoxic, Depurative, Dermatitigenic, Emetic, Fungicide, Hepatonic, Hypotensive, Laxative, Parasiticide, Peristaltic, Sedative, Tonic
Primary Conditions Treated
General Dosage
2–4 tbsp fresh root; 3–6 g dry root; 4.5 g dry root:22 ml alcohol/23 ml water; 2–4 g dry root, or in tea, 3 ×/day; 1–2 g powdered root; 2–4 ml liquid root extract 3 ×/day; 1–2 ml root tincture 3 ×/day; 2–3 root capsules 3 ×/day; 500–505 mg capsules; 2–4 ml liquid herb extract.
Safety & Contraindications
Class 2d oxalates. Patients with kidney stone should beware. Tannins. CAN cautions that anthraquinones can be laxative and irritate the GI tract. Because of the anthraquinones, nonstandardized preparations should be avoided during pregnancy and lactation. Anthraquinones can be secreted into breast milk. Also contraindicated in endometriosis, hemorrhoids, and nephropathy, intestinal obstruction, abdominal pain of unknown causes, any enteritis, menstruation. Do not use more than 8–10 days. Do not use this product if you have abdominal pain or diarrhea. Consult a health care provider prior to use if pregnant or nursing. Discontinue use in the event of diarrhea or watery stools. Do not exceed recommended dose. Not for long-term use. These are the recommendations normally given for anthraquinone-containing plants, but not given for this anthraquinone-containing plant. Overuse may cause abdominal cramps and diarrhea, and prolonged use may cause intestinal atrophy and hypokalemia. Methinks you can say that about any laxative, adding electrolyte imbalance to the consequences. Large doses should be avoided due to the oxalate content. One fatality reported from too much yellow dock soup, perhaps due to oxalate poisoning. Herbal extract is mildly antibacterial toward Gram-positive and Gram-negative. Anthraquinones can arrest growth of ringworm and other fungi. Can work either way, the anthraquinones are a laxative, the tannins are an astringent.