This book is a concise textbook of iatrogenic pathology. Chapters cover iatrogenesis relevant to a broad range of medical subspecialties (cardiology, gastroenterology, gynecology, neurology, endocrinology and much more). The book presents an introduction to iatrogenesis which is followed by chapter-wise descriptions of iatrogenic lesions (lesions due to adverse drug reactions, lesions occurring during diagnosis and consequences of various therapeutic interventions) of the organs and systems of the body. This textbook is a handy resource on iatrogenic pathology for medical students and working professionals (clinical and nursing staff) involved in a range of medical subspecialties.