Complications of Type 1 Diabetes
by Cynthia M. Johnson, MA
Health problems can happen when blood glucose levels are out of the normal range. Having regular exams and tests can help find problems early and treat them.
These problems can happen in a short time:
These problems can happen after a longer time:
Hypoglycemia is low blood sugar. It can be caused by:
Hyperglycemia is high blood sugar. It happens when a person does not have enough insulin to remove the glucose in the body. It can be caused by:
People with type 1 diabetes can get ketoacidosis. Sugar cannot get into cells to make energy when the body is not getting enough insulin. When this happens, the body starts breaking down stored fat for energy. The by-products of fat breakdown are ketone bodies. These are acids that build up in the blood that can cause ketoacidosis. It is caused by the same reasons as hyperglycemia. It may also be caused by taking too little insulin when sick with infection.
Diabetic Diseases of the Eyes, Kidneys, and Nerves
These diabetic diseases may happen:
Heart Disease and Stroke
Diabetes can cause cholesterol levels to rise. This leads to narrow, clogged arteries that make it hard for the blood to carry oxygen to the body. This can lead to:
American Diabetes Association. Standards of medical care in diabetes-2019. Diabetes Care. 2019. Jan; 42 (Suppl 1):S1-193.
Diabetes mellitus type 1. EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/diabetes-mellitus-type-1-34. Updated June 28, 2019. Accessed November 22, 2019.
Type 1 diabetes. American Diabetes Association website. Available at: https://www.diabetes.org/diabetes/type-1. Accessed November 22, 2019.
Last reviewed September 2019 by EBSCO Medical Review Board James P. Cornell, MD
Last Updated: 12/8/2020
EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
To send comments or feedback to our Editorial Team regarding the content please email us at email@example.com. Our Health Library Support team will respond to your email request within 2 business days.