Background: Diabetes mellitus is a metabolic disease, characterized by hyperglycemia. It occurs due to impaired insulin secretion, insulin action, or both. Diabetes mellitus is a chronic disease that is often accompanied by complications, one of which is hypertension, so that drug interactions cannot be avoided. Objective: This study aimed to determine the medication profile and potential drug interactions in diabetes mellitus outpatient with hypertension at RSUD dr. H. Andi Abdurrahman Noor. Method: It was a descriptive study. The data was obtained from diabetes with hypertension outpatient in three months (October-December 2020). To analyze potential drug interaction, used drugs.com, Medscape and Stockley for literature. Results: The medication profile showed that insulin aspart (43.84%) and the combination of candesartan and amlodipine (52.05%) were the most used drugs. The most common potential drug interactions were found between insulin and candesartan (73.34%) with moderate severity. Conclusion: Insulin aspart was the most used of antidiabetic. Candesartan plus amlodipine was the most widely used antihypertensive. Both types of drugs (insulin and candesartan) have the potential for drug interactions. Keywords: antidiabetic, antihypertensive, drug interaction