The Audit Commission recently highlighted the need for health services to plan language services to help the problems of poor communication facing non-English speaking patients. Doctors and other health workers need to know how to work effectively when interviewing patients with an interpreter. This article describes the different options for helping non-English speaking patients; explains how interviews should be conducted with a trained interpreter, including those using sign language; and outlines the extent of interpreting services currently available in the United Kingdom, complete with a list of addresses of organisations offering interpreting services.