Lexicomp This link opens in a new windowLexi-Comp is a comprehensive drug information tool for use at the point of care. It contains clinical modules with information about drug interactions, identification, calculations, toxicology, and patient education. The indexes provide current generic and brand names for drugs used in the United States, Canada, and internationally for adult, paediatric, and geriatric populations. Natural product, infectious disease, and lab test information is also included.