Book excerpt: Thoroughly updated for its Third Edition, this handbook provides complete, current, and easily accessible information on how psychotropic drugs interact with one another and with compounds used to treat non-psychiatric medical conditions. The book is organized for rapid reference, includes numerous tables, and offers guidelines for managing adverse effects. The Third Edition includes an adverse drug effects table in the appendix section, tables on receptor binding and dosing, and the latest information on drugs of abuse and chemical dependence. This edition also includes drug-food interactions for each drug category and interactions of psychotropic drugs with HIV medications.