The recent drive to encourage general practitioners (GPs) to rationalise their prescribing has implications for patients who may have their medication changed. A postal survey of such patients was conducted and it wasfound that 65% were at least reasonably satisfied with the way theyfound out about changes in their medication. Logistic analysis showed that patients were more satisfied when they had been told about the change by a GP or a pharmacist or by a letterfrom the practice.