UCLH policies -- An overview of intravenous therapy -- Factors affecting patency of IV sites -- Methods of intravenous administration -- Extravasation of injectables : overview and management advice -- Flushing cannulae, catheters, and administration sets -- Infusion pumps -- Administration of injectables in primary care -- Formulation and presentation of injectables -- Pharmaceutical aspects of injectable administration -- Factors influencing medicine stability and compatibility of injectable medicines -- Allergic reactions to injectables -- Compatibility of drugs in a syringe driver for subcutaneous use -- Risk assessment of injectables and risk reduction.