Pressure ulcers are a largely preventable problem, but the incidence can impact negatively on the ability of the health service to deliver effective and quality care. Pressure ulcers commonly occur in the very old, the malnourished and those with acute illness. As pressure ulcers most commonly occur in the hospital setting, this can increase both length of stay and costs to the health service. As a result, prevention and management strategies should be core components in the strategic planning of healthcare services. This article discusses the importance of education and knowledge in pressure ulcers, and the onus of the nurse to put theory into practice in order to prevent this problem.