Rauwolfia, Snakewood
rauvolfia serpentina
Medicinal Actions
Antiandrogenic, Antiarrhythmic, Anti-bacterial, Antidote, Antifertility, Antipyretic, Carcinogenic, Cardiodepressant, Cardiotonic, CNS Depressant, Expectorant, Hypnotic, Hypotensive, Lactagogue, MDR Inhibitor, Narcotic, Peristaltic, Respiradepressant, Sedative, Sympathicolytic, Teratogenic, Tonic, Uterocontractant, Colic
Primary Conditions Treated
General Dosage
1–3 g powdered root for insanity; 20–30 g powdered root for high blood pressure; 200 mg root/day for 1–3 weeks; 600 mg drug or 6 mg alkaloids.
Safety & Contraindications
Not covered. “Health hazards not known with proper therapeutic dosages”. Commission E reports for root, contraindications, adverse effects, and interactions of the toxic alkaloid reserpine. Contraindications: depression, lactation, pheochromocytoma, pregnancy, and ulcer. Side effects, often with minimum therapeutic dose, include depression, dizziness, drowsiness, dyspnea, erectile dysfunction, lethargy, rash, and reactive changes, reduced sexual potency, and stuffy nose. Drug interactions: appetite suppressants, barbiturates, digitalis glycosides, levodopa, neuroleptics, and sympathomimetics. Reserpine, by its dopamine-depleting effect, may raise prolactin levels. Galactorrhea is one side effect of reserpine. Reserpine given orally to rabbits increased mammary gland secretions. Hypothalmic dopamine inhibits prolactin. Conversely estrogens promote prolactin production. Galactorrhea is a side effect of