This document provides treatment guidelines for diabetes mellitus. It discusses the types of diabetes, symptoms, complications, goals of treatment, and treatment options. Treatment involves lifestyle changes like diet and exercise. Pharmacological treatment starts with metformin for type 2 diabetes and insulin for type 1 diabetes. Insulin therapy is initiated at 0.4-1.0 units/kg/day for type 1 diabetes. Additional agents may be added if blood sugar levels remain uncontrolled. The goal of treatment is to achieve a hemoglobin A1c level below 7% through lifestyle management and medication adjustments.