Erva Tostao (Boerhaavia diffusa) - Liver, Gallbladder, and Kidney Disorders
Summarized Description: Erva Tostao, also known by its genus name, "Boerhavia," is a member of the Four O'Clock family, with very wide geographic distribution. This has probably contributed to its confused taxonomy: B. diffusa, B. hirsuta, B. repens, all refer to the very same plant, and there's a half dozen other species names for it, as well. It has too many common names to list then all herein.
Uses & Protocols: The most common herbal application of Erva, and this is true in Africa and South American herbal traditions as well as ayurveda, is in the treatment of liver problems, including jaundice and hepatitis; gallbladder pains / stones; and to expel worms. However, its range of medicinal activity that the properties and indications below should be carefully reviewed.
Warnings & Contraindications: Do not take Erva if you're on hypotensive, cardiodepressant, or barbituate drugs. Those with heart problems stemming from low blood pressure or heart failure should similarly not take this herb. Erva may interfere with prescription diuretics and can potentiate cardiac depressant medications, prescription diuretics, alpha-adrenergic, and ACE-inhibitor medications for high blood pressure.