This book is totally based on new syllabus as per PCI (2017-18.) In this book author completed the all the needs of students and staff. This book is a Text book For Pharmacology-III for the students of B.Pharmacy-III Year with 6th semester. The text has 5 main UNIT followed by 3 appendices and an INdex for rapid consultation and revision. Relevant Basic Information related to the use of drugs has been provided in each chapter. The subject Material covers the current syllabus orescribed by PCI in 2017-18 for parmacy students. All sugestions from reader are soliciated.