This book is designed to provide a complete, authoritative, current, and readable pharmacology basic tools for students. Pharmacology is a basic medical science in its own right, it borrows freely from and contributes generously to the subject matter and techniques of many medical disciplines. This book provides basic knowledge of Pharmacology and its branches in an up-to-date and comprehensive manner. It is meant to serve students in medicine, osteopathy, dentistry, pharmacy, and advanced nursing, as well as undergraduate students.