Now in its updated fourth edition, this easy-to-use reference features chapters on each of the major classes of drugs used in current psychiatric practice. For each drug class, the authors cover mechanisms of action, indications and therapeutic uses, side effects and toxicity, and interactions with other medications, followed by specifics on individual agents. References to the most current clinical trials are included. Tables provide at-a-glance information, and an index at the front of the book facilitates quick reference. This edition features a new chapter on mood stabilizers, updates on psychotic disorders, and information on third-generation drugs to treat these disorders.