Click on "Drug Interactions" and then enter a name. Examples: grapefruit, dronedarone...
Drug Product Database (DPD) - Health CanadaSearch the DPD to find drugs authorized for sale by Health Canada. It is updated nightly and includes:
availability of the drug in Canada, (PM) product monograph for human drugs. labels for animal drugs
Drugs and Lactation Database (LactMed)Pregnancy/Lactation -- A peer-reviewed and fully referenced database of drugs to which breastfeeding mothers may be exposed. Among the data included are maternal and infant levels of drugs, possible effects on breastfed infants and on lactation, and alternate drugs to consider.
LiverToxThis database provides "information on the diagnosis, cause, frequency, patterns, and management of liver injury attributable to prescription and nonprescription medications, herbals and dietary supplements." It also includes a case registry
MedscapeMedscape membership is free for healthcare professionals and gives you unlimited access to the entire network of sites and services.Drug interaction checker, Pill Identifier, Drugs, OTCs and Herbals
Pill Identifieruseful to identify a pill by input of a few identifying clues.