Internationally relied upon by medical practitioners for unparalleled focus on adverse effects and reactions, this succinct clinical reference is an essential drug-safety tool for patient care, particularly for those on many prescriptions. This new edition has been revised and updated throughout as a quick reference to the most important information required: summaries of numbers of reports and incidence for reactions; clinically important and potentially hazardous drug-drug interactions; categories of adverse drug reactions, eruptions, and cutaneous reaction patterns; and essential reference information on prescription and over-the-counter drugs, as well as biologics and supplements.