This nursing assignment report analyzes the case of Marcel, a 70-year-old patient with hypoglycaemia and obesity, focusing on medication management through the application of the clinical reasoning cycle. The report identifies nursing priorities, including medication and self-management strategies, considering Marcel's high BMI, family history of diabetes, and lack of health literacy. It discusses interventions like metformin and glibenclamide, along with nutritional therapy and education to improve Marcel's health outcomes. The evaluation includes assessing blood glucose levels, weight reduction, and medication administration abilities. The conclusion emphasizes the importance of effective medication management, nutritional intake, and patient education for managing obesity and diabetes-related complications.