<p>The present research is aimed at describing the characteristics of the family dynamics of older<br>adult patients affected by type 2 diabetes in the municipality of Ventaquemada, Boyacá.<br>The research is qualitative with a hermeneutic historical approach, carried out through a case<br>study. A semi-structured interview was applied, the participants were five older adults diagnosed<br>with type 2 diabetes. The results were based on the description of family dynamics,<br>decision-making, affective relationships, and roles. Family dynamics and the family system<br>are significantly affected, the findings show that the children or family members make their<br>decisions, but they are informed of these decisions. After the diagnosis, the affective relationships<br>are better, since they have a greater demonstration of affection and trust with their<br>family, finally, in all cases, one of the children must stay at home to care for the elderly and<br>must assume their roles of care and economic responsibility. In conclusion, the dynamics in<br>the family are affected by the multiple care required by the older adults due to the characteristics<br>of care needed for the treatment of diabetes mellitus.</p>