AbstractThe prevalence of impotence among a group of 158 consecutive men attending a diabetic clinic was studied by questionnaire. The frequency of reporting of impotence and the advice and treatment patients had received were determined.The prevalence of impotence was 36.7%. Forty‐nine of the impotent men (84%) wanted treatment; 21 had never asked for medical advice because of embarrassment, ignorance of availability of treatments or a belief that impotence was normal at their age. Twenty‐eight had consulted a doctor, nine presented at the diabetic clinic and were treated successfully; 19 consulted their general practitioner alone and were advised incorrectly.Most impotent diabetic men want treatment but do not ask for help or are advised incorrectly. Both patients and doctors need to be better informed about the management of impotence in diabe