Safe and effective prescribing is a cornerstone of proper patient care. There has in recent years been a significant increase in the numbers of healthcare professionals able to prescribe; however, sources of drug information tend to focus on only one area of prescribing. The Oxford Handbook of Practical Drug Therapy links practical information about how to use medicines with concise details about the pharmacology of a drug, and the principles of clinicalpharmacology that govern its action.The overall structure of this handbook is similar to the UK national formulary, with topics on each drug arranged broadly by therapeutic category. When a drug has several different uses, these are brought together in a single topic, allowing the reader to appreciate its full range of actions, whether therapeutic or adverse.Each drugs topic provides information in a clearly laid out and standardised form, and includes a graphical representation of the pharmacological actions of the drug, and its potent