Type 1 diabetes is the most commonly seen endocrinopathy in pediatrics. This is an autoimmune condition. Children with type 1 diabetes are at much greater risk for other autoimmune conditions, particularly autoimmune thyroiditis, most commonly Hashimoto's thyroiditis, and celiac disease. It is important for the primary care practitioner to be aware of subtle symptoms of these conditions and how to screen for them because early treatment of both conditions can lead to better diabetes control and improved health in general.