Data tables consisting of Excel files with estimates, rates, relative standard errors, trends and confidence intervals, covering 2004-2011, for drug-related emergency department visits for the Boston Metropolitan Statistical Area. Tables are provided for 10 topics (\"analytic categories\") which are defined in the \"Guide to Drug Abuse Warning Trend Tables,\" a separate document. Each table includes data for over 500 drugs, including illicit drugs, prescription and over-the-counter medications, dietary supplements, inhalants and alcohol. Includes total visits, gender, age group, race/ethnicity, outcome of visit, drug combinations, number of drugs involved in visit, drug frequency, and drugs confirmed by toxicology. Additional detail is provided for illicit drugs, psychotherapeutic drugs, central nervous system (CNS) drugs, respiratory drugs and cardiovascular drugs.