Handbook of Extemporaneous Preparation is a comprehensive and easy-to-follow guide to good practice in extemporaneous compunding. It incorporates the key findings and outputs from the UK National Advisory Board study, including advice on purchasing unlicensed medicines. It will be adopted as the standard for extemporaneous dispensing for NHS patients. Although the standards set out in this book are primarily written for implementation in NHS hospitals, the priciples should be equally applied across the profession internationally