In the last years, transdermal and topical drug application has significantly improved the safety, efficacy and versatility of pain therapy. Considering that chronic pain is one of the most common reasons for the consultation of a physician and is often difficult to treat, transdermal pain therapy has generated highly improved patient compliance and satisfaction. The second edition of this book offers the reader a systematic and complete overview of this important therapeutic field and summarizes the up-to-date knowledge of this topic. The contents are presented by experts from a wide range of disciplines.