The book entitled "Herb-drug interactions: a survey of use, attitudes, and knowledge among patients". Herbal medicines are mixtures of more than one active ingredient. The likelihood of herb-drug interactions is theoretically higher than drug-drug interactions, if only because synthetic drugs usually contain single chemical entities. This project will give a idea about the patients use of herbal products and their attitudes, knowledge regarding the safety, examine patients comfort levels with discussing their herb use with their physicians, and determine the extent to which physicians inquire about their patients herb useThis book will be very useful to the undergraduate, postgraduate students of Pharmacists, Pharmacy practice and Pharm. D. It is a basic handbook which provides the information about the herb-drug interactions and the knowledge among the patients.