Tincture of Nux Vomica BP Tincture of nux vomica. [Derived from a plant that contains strychnine, which can be used as a poison to kill rodents. However, it is also a proven medicine that can stimulate detoxification processes of the liver, alleviate nausea and vomiting associated with stomach and duodenal disorders, and treat dyskinesia of the bile ducts. Despite its medicinal properties, large doses of nux vomica can lead to tetanic convulsions and ultimately result in death. Source: https://taylorandfrancis.com/knowledge/medicine-and-healthcare/complementary-and-alternative-medicine/nux-vomica/] 1897-1998