Preface The textbook of Pharmacotherapeutics has been written for students of diploma in pharmacy second year students keeping in mind specific requirements of the Pharmacy Council of India (PCI), Education Regulation - 2020. The book is covering the entire syllabus as per new PCI norms including practicals and MCQs. This book containing two chapters with introduction to pharmacotherapeutics as first chapter. Second chapter deals with etiopathologies of diseases and their treatments related to different organ systems such as CVS, respiratory, endocrine, and GIT and management for hematological, dermal, mucoskeletal, infectious, psychiatric, and microbial diseases.