The small and conveniently sized quick-reference Stockley's Drug Interactions Pocket Companion 2013 continues to provide the busy healthcare professional with a trustworthy, affordable and practical clinical reference on drug interactions and their management. It draws on the wealth of clinically evaluated, evidence-based information on drug-drug, drug-herb and drug-food interactions that is presented in the latest revalidated updates of the full reference work, Stockley's Drug Interactions. It is structured alphabetically for ease of searching, with a comprehensive back of book index; easy-to-use severity rating symbols offer guidance to the user on the clinical significance of the interaction; quick-reference format summarises the interaction and management advice. An essential clinical reference for physicians, pharmacists, nurses and other healthcare professionals.