EXAMPLES OF ADVERSE REACTIONS IN HERBAL MEDICINES a Bleeding time may be altered with the use of garlic, ginkgo, feverfew, and ginger, among others Evening primrose(Oenothera biennis)may increase the risk of seizures in patients taking drug known to lower seizure threshold, such as anticonvulsants
Many plant and fungal derivatives are important medicinal The most important of the plant-derived compounds are terpenoids(such as steroids) and alkaloids Substances such as anthraquinone glycosides as well as a variety of other types of glycosides are also widely used The ancient Egyptians recorded much of their knowledge of plant drugs as well. Many of the plants used by them are still used in medicine OH