<p>Lymphoedema can a long-term complication of breast cancer treatment (Mak et al, 2008), which, once established, is difficult to cure. Therefore, it is essential to prevent or minimise this condition. Factors that contribute to the development of breast cancer-related lymphoedema (BCRL) are not as yet fully elucidated. The common procedures of venepuncture and blood pressure measurement are a vital component of medical practice, but their impact on lymphoedema is unascertained. This article reviews current risk reduction advice and provides direction to ensure that the advice given to breast cancer patients is supported by the best evidence available.</p>