The fully revised and updated edition of this essential pharmacology textbook presents pharmacologic principles in an accessible, full-color format. Featuring Prototype Drug Charts, Nursing Process Charts, and an extensive math/dosage calculations section, this fourth edition includes updated content throughout, including 75 new full-color drug labels. It also includes six new chapters, new Herb Alert boxes, and an expanded ancillary package. Nursing Process Charts relate nursing care to drug therapy. For each step of the nursing process, concise bulleted points outline the plan of care in relation to treatment for selected drug prototypes. A drug calculations chapter, with an 85-page review of dosage calculations, covers a basic math review, all four methods of calculating dosages, and dosage calculations in various settings and for different routes of administration. A comprehensive guide to medication administration addresses all routes of administration in various settings. Unit openers for drug therapy chapters include illustrated anatomy and physiology overviews and provide a foundation for understanding how each drug works in that body system. Nearly 100 Prototype Drug Charts are included for selected prototype drugs. Each chart lists Drug Class, Dosage, Contraindications, Drug-Lab-Food Interactions, Pharmacokinetics, Pharmacodynamics, Therapeutic Effects/Uses, and Adverse Reactions. Client Teaching sections in each Nursing Process Chart provide client-oriented instructions. Cultural Considerations are covered in a separate chapter and, where appropriate, culturally sensitive client teaching is included in the Nursing Process Charts. Critical Thinking in Action boxes present a clinical scenario and questions for analysis and critical thinking. Study questions appear at the end of every chapter. Includes 75 new full-color drug labels to familiarize students with new medications used in practice. Features an expanded emphasis on herbal therapies, including new Herb Alert boxes and herbal interaction icons throughout the drug families chapters. Coverage of dimensional analysis has been added to the chapter on Medication and Calculations. Features six new chapters: Pediatric Pharmacology, Geriatric Pharmacology, Antipsychotics and Anxiolytics, Antidepressants and Mood Stabilizers, Drugs for the Female Reproductive Cycle I: Pregnancy and Preterm Labor, and Drugs for the Female Reproductive Cycle II: Labor and Delivery. Each method of dosage calculation is consistently highlighted with a distinctive color for easy reference and identification. Full-color Prototype Drug Charts and Nursing Process Charts have been redesigned for easy use.