This book provides a practical introduction to the main concepts of pharmacokinetics and how they can be applied in clinical settings, without using complicated mathematical equations. Essential information on approaches to drug-dosing and monitoring in special populations, including patients with renal and hepatic diseases and elderly patients, are given. Charts, illustrations and examples of calculations are added to clarify concepts and terminology of pharmacokinetics. It's a guide for students and clinicians who want clear, useful guidance to the basic principles of pharmacokinetics and their application into clinical practice.