Type 1 Diabetes

Type 1 diabetes, also known as juvenile diabetes, occurs when your body produces little or no insulin. Learn about symptoms, diagnosis, treatment, and more.

Explore Type 1 Diabetes

All Hyperglycemia Glucose Monitoring
Girl getting a vaccine
Can Vaccines for Viruses Prevent Type 1 Diabetes?
Medically reviewed by Ana Maria Kausel, MD
Checking blood glucose and ketones for diabetic ketoacidosis
What Is Diabetic Ketoacidosis?
Medically reviewed by Do-Eun Lee, MD
Blood tests to be analyzed for anion gap
What Is an Anion Gap?
Medically reviewed by Ana Maria Kausel, MD
Person wearing an insulin pump
Do You Have Lipohypertrophy and What Can You Do About It?
Medically reviewed by Ana Maria Kausel, MD
Basqimi (glucagon nasal powder)
Is Baqsimi Better Than Glucagon Emergency Kits?
Medically reviewed by Mary Choy, PharmD
Young woman drinking bottle of water, outdoors, side view
Why Am I Drinking So Much Water?
Medically reviewed by Do-Eun Lee, MD
Running with an insulin pump
What You Need to Know to Run Safely With Type 1 Diabetes
Medically reviewed by Lindsey Waldman, MD, RD
Glucose Level Blood Test
Why Diabetes Is Not All the Same
Medically reviewed by Danielle Weiss, MD
Taking a break mid-run
Your Guide to Exercise and Type 1 Diabetes
Medically reviewed by Do-Eun Lee, MD
man testing blood sugar
What You Should Know About Diabetes Discrimination at Work
Medically reviewed by Ana Maria Kausel, MD
lab tests
Islet Cell Transplant for Type 1 Diabetes: A Step Toward a Cure?
Medically reviewed by Ana Maria Kausel, MD
Woman holding insulin syringe
Do You Know What Rapid-Acting Insulin Is?
Medically reviewed by Ana Maria Kausel, MD
Girl wearing insulin pump and sensor device.
How a Sensor-Augmented Insulin Pump (SAP) Works
Medically reviewed by Do-Eun Lee, MD
Woman injecting herself with insulin
An Overview of Latent Autoimmune Diabetes in Adults (LADA)
Medically reviewed by Do-Eun Lee, MD
External insulin pump
What Are the Pros and Cons of Insulin Pump Therapy?
Medically reviewed by Ana Maria Kausel, MD
Parenting a Teenager With Type 1 Diabetes
Medically reviewed by Danielle Weiss, MD
insulin and syringe
Is It Better to Store Insulin Room Temperature or by Refrigeration?
Medically reviewed by Lindsey Waldman, MD, RD
Doctor showing young patient how to use diabetes pen
How Type 1 Diabetes Is Diagnosed
Medically reviewed by Do-Eun Lee, MD
Diabetic patient testing her blood at the beach
What to Know When Traveling With Type 1
Fact checked by Dale Brauner
Woman alone looking through window
What It's Like to Live with Type 1 Diabetes
Medically reviewed by Lindsey Waldman, MD, RD
Woman checking her insulin pump
How Type 1 Diabetes Is Treated
Medically reviewed by Lindsey Waldman, MD, RD
Doctor showing young patient how to use diabetes pen
Understanding Type 1 Diabetes
Medically reviewed by Lindsey Waldman, MD, RD
Cheerful eye doctor is working with a patient
Understanding the Complications of Type 1 Diabetes
Medically reviewed by Lindsey Waldman, MD, RD
thyroid tests, blood tests, TSH test, thyroid stimulating hormone test
How to Recognize a Reading That Warrants a Call to Your Doctor
Medically reviewed by Lindsey Waldman, MD, RD
Sportswoman checking pulse
How to Work Out With Type 1 Diabetes
Medically reviewed by Lindsey Waldman, MD, RD
Jay Cutler
Famous People With Type 1 Diabetes
Fact checked by Lisa Sullivan, MS
See through body where the pancreas is highlighted
This Is What the Pancreas Actually Does
Medically reviewed by Ana Maria Kausel, MD
Female nurse with male patient in hospital
Avoiding Hyperglycemic Hyperosmolar Nonketotic Syndrome
Medically reviewed by Do-Eun Lee, MD
Woman doing insulin injection
Tips for Safely Choosing an Insulin Injection Site
Medically reviewed by Lindsey Waldman, MD, RD
Woman using a diabetes pen
What to Know About Type 1 Diabetes and COVID-19
Medically reviewed by Do-Eun Lee, MD
Osteoporosis
How Diabetes Can Contribute to Bone Disease
Medically reviewed by Ana Maria Kausel, MD
Boy checking his blood sugar
What Is Diabetes Mellitus?
Medically reviewed by Do-Eun Lee, MD
Diabetic girl using blood glucose meter
10 Steps for Using a Glucometer
Fact checked by Sheeren Jegtvig
Woman checks blood sugar levels.
New Treatment Options for Diabetes
Medically reviewed by Danielle Weiss, MD
Doctor discussing symptoms and test results with patient
Watch for These Early and Sometimes Subtle Diabetes Symptoms
Medically reviewed by Danielle Weiss, MD
These late nights are not working for me
Managing Diabetes and Shift Work
Medically reviewed by Rochelle Collins, DO
Woman checking blood sugar level and using mobile phone in train
Livongo: Telehealth Improving Diabetes Management
Medically reviewed by Lindsey Waldman, MD, RD
DNA wire
Are You More Likely to Get Diabetes if It Runs in Your Family?
Medically reviewed by Do-Eun Lee, MD
The feet of man with diabetes, dull and swollen.
The Link Between Diabetes and Joint Pain
Medically reviewed by Do-Eun Lee, MD
Man checking sugar level with glucometer
Why are CDE's now CDCES's?
Fact checked by James Lacy
Woman with headache and pain holding head while sitting down
Why Autoimmune Diseases are More Common in Women
Medically reviewed by Danielle Weiss, MD
Doctor Examining Patients Thyroid
Why Thyroid Disease and Diabetes May Occur Together
Medically reviewed by Do-Eun Lee, MD
Endocrinologist and patient discuss diabetes
Seeing an Endocrinologist for Diabetes
Medically reviewed by Do-Eun Lee, MD
Eating disorder counseling
What Is Diabulimia?
By Barbie Cervoni MS, RD, CDCES, CDN
Eating in kitchen late at night
What Is Diabetic Hyperphagia?
Medically reviewed by Danielle Weiss, MD
diabetic nephropathy
The Importance of Early Intervention of Diabetic Nephropathy
Medically reviewed by Matthew Wosnitzer, MD
diabetes test
The Best At-Home Diabetes Tests for 2021
Fact checked by Sean Blackburn
person having a seizure
Hyperglycemia-Related Seizures
Medically reviewed by Diana Apetauerova, MD
Person using blood sugar meter to check glucose levels
What Are Hypoglycemia and Hyperglycemia?
Medically reviewed by Danielle Weiss, MD
woman checking blood sugar at home
Symptoms of High Blood Sugar in Women
Medically reviewed by Danielle Weiss, MD
blood glucose test
How Is Hyperglycemia Diagnosed?
Medically reviewed by Ana Maria Kausel, MD
Checking blood sugar
What Happens If Sugar Is Given During an Episode of Hyperglycemia
Medically reviewed by Michael Menna, DO
Midsection Of Man Smoking Cigarette
Causes and Risk Factors of Hyperglycemia
Medically reviewed by Michael Menna, DO
Older man exercising
How Hyperglycemia Is Treated
Medically reviewed by Ana Maria Kausel, MD
Fatigue
Hyperglycemia: Signs, Symptoms, and Complications
Medically reviewed by Ana Maria Kausel, MD
Nurse observing the blood
What Is a Magnesium Test?
Medically reviewed by Ana Maria Kausel, MD
Picture of a woman wearing an insulin pump AKA artificial pancreas
What Is an Artificial Pancreas Delivery System?
Medically reviewed by Lindsey Waldman, MD, RD
Woman checking her blood sugar after excercise
How to Choose a Blood Glucose Meter
Medically reviewed by Lindsey Waldman, MD, RD
Woman checking her blood sugar
Why Glucose Monitoring Is Important for Diabetes
Medically reviewed by Lindsey Waldman, MD, RD
Blood Sugar Test Equipment Of White Background
Facts on Alternate Blood Sugar Testing Sites
Medically reviewed by Lindsey Waldman, MD, RD