Understanding Type 2 Diabetes
Glucose then builds up in the blood. Symptoms can include thirst, frequent urination, fatigue, and blurred vision, although some people have few or no symptoms. Over time, diabetes can affect the heart, kidneys, eyes, nerves, and feet.
How it is assessed or used in care
Diagnosis uses blood tests and may require confirmation. Management can include nutrition and physical activity changes, medication, glucose monitoring, and attention to blood pressure and cholesterol. Some people need insulin; treatment is individualized.
What to discuss with your clinician
Ask about your monitoring plan, medication safety, and recommended eye, kidney, and foot assessments. Contact your team about new symptoms or difficulty following the plan. Vomiting, confusion, or trouble breathing with marked illness needs urgent care.
Medical references
Sources accessed November 13, 2026.
This information is for general education, not a diagnosis or an individualized treatment plan. Discuss symptoms, test results, and treatment decisions with a qualified clinician. For a medical emergency, call 911.