This book elucidates new techniques and applications of pharmaceutical science in a multidisciplinary approach. It discusses the fundamentals as well as modern approaches of this field. Pharmaceutical science is an interdisciplinary field that has elements of chemometrics, mathematics, epidemiology, statistics, physics, chemical engineering, chemistry and biology. It mainly deals with the composition, manufacturing, delivery, and disposal of drugs. Clinical pharmacy, compounding pharmacy, pharmaceutics, medicinal chemistry, pharmacotherapy, pharmacokinetics, clinical pharmacology, pharmacogenetics, pharmacogenomics, toxicology are some of the topics discussed in this extensive book. Such selected concepts that redefine the field of pharmaceutical science have been presented herein. In this book, using case studies and examples, constant effort has been made to make the understanding of the difficult concepts as easy and informative as possible, for the readers.