Castor
ricinus communis
Medicinal Actions
Elephantiasis, Analgesic, Antiabsorptive, Antibacterial, Anticholestatic, Antidiabetic, Antidote, Anti-HIV, Antilactagogue, Antileukemic, Antiseptic, Antitumor, Antitussive, Antiviral, Candidicide, Contraceptive, Cyanogenic, Diaphoretic, Diuretic, Emetic, Emmenagogue, Expectorant, Fungicide, Hepatoprotective, Hypotensive, Immunostimulant, Insecticide, Lactagogue, Larvicide, Laxative, Lymphocytogenic, Peristaltic, Piscicide, Pyrogenic, Secretagogue, Spermicide, Tonic, Colic
Primary Conditions Treated
General Dosage
5–20 ml oil; 15–60 ml oil; 5–28 ml castor oil; 9–15 g leaf paste; 3–6 g root paste; 5 or 10 capsules.
Safety & Contraindications
Class 2b, 2d. Contraindicated in intestinal obstruction and abdominal pain of unknown origin, appendicitis, inflammatory bowel disease; do not use more than 8–10 days. “Hazards and/or side effects not known for proper therapeutic dosages of the oil”. Overdoses can cause colic, drastic diarrhea, gastralgia and gastrosis, queasiness, and vomiting. The seeds contain 2.8–3% toxic substances, requiring 2.5–20 seed to kill a man, 4 to kill a rabbit, 5 a sheep, 6 an ox, 6 a horse, 7 a pig, 11 a dog, but 80 for a cock or duck. The principal toxin is the albumin, ricin. Though some recommend in pregnancy, others do not. Midwives sometimes use the oil to induce labor. Refined oil contraindications: intestinal obstruction, unexplained stomachache; adverse effects: frequent use produces electrolyte losses, also gastric irritation, and allergic skin reactions. Should not be used for prolonged periods. Not for children under 12 years old. May induce dermatosis as well as cure it.