UpToDate is a comprehensive, physician-authored clinical decision support tool offering thousands of topic reviews to help you make decisions at the point of care. It can also be download as a mobile app. First-time users will need to create an account.
AccessMedicine from McGraw Hill is an ebook provider that includes access to Harrison's Principles of Internal Medicine and the CURRENT series, among others. Diagnostic tools, guidelines, study tools, cases, multimedia videos, and images are also included.
Lexicomp Online (now Lexidrug) is a point-of-care database that provides information about drugs and their usage, dosage, and adverse reactions. Users can also find information about drug interactions, toxicology, natural products, and drug identification based on shape, color, and dosage form.
Micromedex provides evidence-based, unbiased, referenced information about drugs, toxicology, diseases, acute care, and alternative medicine to make informed clinical diagnosis and treatment decisions. It can also be downloaded as a mobile app.