Book excerpt: The Side Effects of Drugs Annual was first published in 1977. It has been continually published since then, as a yearly update to the voluminous encyclopedia Meyler's Side Effects of Drugs. Each new Annual continues to provide clinicians and medical investigators with a reliable and critical yearly survey of new data and trends in the area of Adverse Drug Reactions and Interactions. An international team of specialists has contributed to the Annuals by selecting critically from each year's writing all that is truly new and informative, by critically interpreting it, and by pointing to whatever is misleading. - Provides a critical yearly survey of new data and trends - Includes an essay that describes the modern approach to classifying adverse drug reactions - Special reviews in this Annual include, among other topics: Antipsychotic drugs and now-onset diabetes mellitus, Treating asthma during pregnancy, and MMR vaccine and autism