Written in the award-winning Incredibly Easy! style, this book presents everything the nurse and nursing student needs to know about how drugs act and interact in the treatment of disease. The book focuses on mechanisms of drug action; details specific drugs by pharmacologic class; reviews the nursing process related to each drug category for all body systems, plus pain medications, anti-infective drugs, and cancer drugs; and highlights potentially dangerous interactions, including drug-herb interactions. This thoroughly updated Second edition includes the most current NANDA diagnoses. New chapters cover genitourinary drugs and drugs to treat fluid and electrolyte imbalances. Obesity drugs have been added to the gastrointestinal drugs chapter.