This book covers those areas of pharmacology that are of importance and interest to the psychotherapist. The 1st chapter introduces the various types of drugs. The 2nd chapter presents an overview of pharmacology and its principles. The 3rd chapter reviews aspects of the human body of importance to understanding the workings of psychotropic drugs. The 4th chapter explores the nature of psychopathology. The 5th chapter on antianxiety drugs begins with a review of anxiety. The 6th chapter on hypnotic drugs focuses on sleep, sleep disorders, and the drugs used to treat these problems. The 7th chapter explores the conditions of depression as a normal and healthy defensive response to stimuli, or as a pathological condition, and the use of drugs in their treatment. The 8th chapter focuses on the use of lithium. The 9th chapter discusses use of antipsychotic drugs. The 10th chapter covers the emotional and physical components of pain and the use of analgesics. The 11th chapter covers the traditional categories of grand mal, petit mal, psychomotor, and Jacksonian type seizures and antiepileptic drugs. The 12th chapter reviews the reproductive systems; the sexual dysfunctions; drugs that enhance sexual function; and drugs that have an adverse effect on sexual function. The 13th chapter examines substance abuse. The 14th chapter divides legal and illegal drugs into four categories: depressants; stimulants; highlighters; and hallucinogens. The 15th chapter presents an overview of treatment possibilities for substance abusers. (ABL)