This bestselling text is known for its clear and consistent format, colorful design, and helpful boxed features and illustrations that highlight need-to-know information and help busy nursing students learn and understand pharmacology. The new edition includes new chapters on medication errors and gene therapy, and all pharmacology content has undergone an extensive revision to ensure that this already-strong content is even more current, consistent, and easy to follow. The Photo Atlas of Drug Administration has been updated to cover even more drug administration routes and to provide numerous new photos and drawings. Content on bioterrorism agents and drugs for HIV/AIDS, diabetes, osteoporosis, Alzheimer's disease, cancer, infection, and psychiatric conditions has been thoroughly updated and expanded.