Type 1 Diabetes vs Type 2 Diabetes Quiz

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Frequent urination

Excessive thirst

Unexplained weight loss

Blurred vision

Extreme fatigue

Foamy urine

Numbness in hands or feet

Wounds heal slowly

Peeing a lot

Frequent urination at night

Blurry vision in one eye

Malaise

Not seeing your symptoms? No worries!

Overview

Type 1 and Type 2 diabetes are both chronic conditions involving high blood sugar levels, but they differ in cause, onset, and treatment. Type 1 is an autoimmune condition where the body attacks insulin-producing cells, usually developing in childhood or adolescence. Type 2 is linked to insulin resistance and typically develops in adulthood, often due to lifestyle factors. While both require blood sugar management, treatment approaches and progression differ.

Disease Summaries

Type 1 Diabetes: Type 1 diabetes is an autoimmune disease in which the body's immune system attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body produces little or no insulin, leading to elevated blood glucose levels. It usually develops in childhood or adolescence, though it can occur at any age. Symptoms often appear suddenly and include frequent urination, excessive thirst, unexplained weight loss, and fatigue. The exact cause is unknown, but genetic and environmental factors (such as viral infections) are believed to play a role.

Type 2 Diabetes: Type 2 diabetes is a metabolic disorder in which the body becomes resistant to insulin or does not produce enough to maintain normal blood sugar levels. It usually develops in adults but is increasingly seen in younger individuals due to rising obesity rates. Symptoms may develop gradually and include fatigue, frequent urination, increased thirst, and slow-healing wounds. Risk factors include obesity, sedentary lifestyle, family history, and age.

Comparing Symptoms

Overlapping Symptoms

  • Frequent urination
  • Excessive thirst
  • Increased hunger
  • Fatigue
  • Blurred vision
  • Slow wound healing

Type 1 Diabetes Specific Symptoms

  • Sudden onset of symptoms
  • Unintended weight loss
  • Nausea or vomiting
  • Fruity-smelling breath
  • More common in children and young adults
  • Requires lifelong insulin therapy

Type 2 Diabetes Specific Symptoms

  • Gradual onset of symptoms
  • Weight gain
  • Numbness or tingling in hands or feet
  • Often asymptomatic in early stages
  • May be managed with lifestyle changes and oral medications
  • More common in adults, but rising in youth due to obesity

Treatment Approaches

Type 1 Diabetes Treatment Approaches

There is no cure for Type 1 diabetes. Treatment focuses on lifelong insulin therapy to regulate blood sugar levels, along with blood glucose monitoring, a healthy diet, and regular physical activity. Patients may use multiple daily injections or insulin pumps. Education on carb counting and managing hypoglycemia is essential. Ongoing care from a diabetes specialist is typically required.

Type 2 Diabetes Treatment Approaches

Treatment for Type 2 diabetes typically begins with lifestyle changes, including weight loss, a balanced diet, and regular exercise. Oral medications (e.g., metformin) may be prescribed to improve insulin sensitivity or stimulate insulin production. Some patients may eventually require insulin. Regular monitoring of blood glucose, blood pressure, and cholesterol is important to prevent complications.

Reviewed By:

Kenji Taylor, MD, MSc

Kenji Taylor, MD, MSc (Family Medicine, Primary Care)

Dr. Taylor is a Japanese-African American physician who grew up and was educated in the United States but spent a considerable amount of time in Japan as a college student, working professional and now father of three. After graduating from Brown, he worked in finance first before attending medical school at Penn. He then completed a fellowship with the Centers for Disease Control before going on to specialize in Family and Community Medicine at the University of California, San Francisco (UCSF) where he was also a chief resident. After a faculty position at Stanford, he moved with his family to Japan where he continues to see families on a military base outside of Tokyo, teach Japanese residents and serve remotely as a medical director for Roots Community Health Center. He also enjoys editing and writing podcast summaries for Hippo Education.

Hidetaka Hamasaki, MD

Hidetaka Hamasaki, MD (Endocrinology)

Dr. Hamasaki graduated from the Hiroshima University School of Medicine and the Graduate School of Medicine, Jichi Medical University. He completed his residency at the Department of Diabetes, Endocrinology and Metabolism, National Center for Global Health and Medicine Hospital and the Department of Internal Medicine, Kohnodai Hospital, National Center for Global Health and Medicine. He has served in the National Center for Global Health and Medicine Hospital and Kohnodai Hospital and joined Hamasaki Clinic in April 2017. Dr. Hamasaki specializes in diabetes and treats a wide range of internal medicine and endocrine disorders.

From our team of 50+ doctors

Content updated on Apr 29, 2025

Following the Medical Content Editorial Policy

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References