Objective. To determine the effectiveness of social support through the radio and web in caregivers of the city of Cartagena, Colombia. Methodology. Semi-experimental research carried out in 2010 where 86 caregivers to whom the instrument Hilbert’s social support in chronic illness inventory was applied before and after a social support intervention through the radio and the web. ANOVA’s test was used to assess the differences in the score changes of the dimensions of the scale employed. Results. The average scores before and after the interventions were respectively by dimension: Guide: 59.6 and 81.9; personal interaction 43.3 and 51.6; Feedback 20.7 and 27.3. Social interaction: 20.6 and