Mayo Clinic Health Manager
Get free personalized health guidance for you and your family.
Get StartedSymptoms
By Mayo Clinic staffThe signs and symptoms of type 1 diabetes in children usually develop quickly, over a period of weeks. Look for:
- Increased thirst and frequent urination. As excess sugar builds up in your child's bloodstream, fluid is pulled from the tissues. This may leave your child thirsty. As a result, your child may drink — and urinate — more than usual.
- Extreme hunger. Without enough insulin to move sugar into your child's cells, your child's muscles and organs become depleted for energy. This triggers intense hunger.
- Weight loss. Despite eating more than usual to relieve hunger, your child may lose weight — sometimes rapidly. Without the energy sugar supplies, muscle tissues and fat stores simply shrink. Unexplained weight loss is often the first symptom to be noticed.
- Fatigue. If your child's cells are deprived of sugar, he or she may become tired and lethargic.
- Irritability or unusual behavior. Children with undiagnosed type 1 diabetes may suddenly seem moody or irritable.
- Blurred vision. If your child's blood sugar is too high, fluid may be pulled from the lenses of your child's eyes. This may affect your child's ability to focus clearly.
- Yeast infection. A genital yeast infection may be the first sign of type 1 diabetes in a girl.
In babies and young children, the first indication of type 1 diabetes may be a yeast infection that causes a severe diaper rash that's far worse than the common red, puffy and tender skin rash. In young children and infants, lethargy, dehydration and abdominal pain also may indicate type 1 diabetes.
When to see a doctor
Talk to your child's doctor if you notice any of the signs or symptoms of type 1 diabetes — increased thirst and frequent urination, extreme hunger, weight loss, blurred vision or fatigue.
- The dangerous toll of diabetes. American Diabetes Association. http://www.diabetes.org/diabetes-statistics/dangerous-toll.jsp. Accessed Jan. 6, 2009.
- Levitsky LL, et al. Epidemiology, presentation, and diagnosis of type 1 diabetes mellitus in children and adolescents. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- Eisenbarth GS, et al. Pathogenesis of type 1 diabetes mellitus. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- McCulloch DK. Glycemic control and vascular complications in type 1 diabetes mellitus. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- Kidney disease (nephropathy). American Diabetes Association. http://www.diabetes.org/utils/printthispage.jsp?PageID=TYPE1DIABETES3_232930. Accessed Jan. 6, 2009.
- What is diabetes: Diabetes complications. Juvenile Diabetes Research Foundation. http://www.jdrf.org/index.cfm?page_id=101308. Accessed Jan. 6, 2009.
- Prevent diabetes problems: Keep your eyes healthy. National Institute of Diabetes and Digestive and Kidney Diseases. http://diabetes.niddk.nih.gov/dm/pubs/complications_eyes/index.htm. Accessed Jan. 6, 2009.
- McCulloch DK. Patient information: Preventing complications in diabetes mellitus. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- Skin complications. American Diabetes Association. http://www.diabetes.org/utils/printthispage.jsp?PageID=TYPE1DIABETES3_232934. Accessed Jan. 6, 2009.
- What people with diabetes need to know about osteoporosis. National Institute of Arthritis and Musculoskeletal and Skin Diseases. Accessed Jan. 9, 2009.
- Levitsky LL, et al. Management of type 1 diabetes mellitus in children and adolescents. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- Standards of medical care in diabetes -2009. Alexandria, Va.: American Diabetes Association. http://care.diabetesjournals.org/content/vol31/Supplement_1/. Accessed Jan. 28, 2009.
- Estimated average glucose, eAG. American Diabetes Association. http://professional.diabetes.org/GlucoseCalculator.aspx. Accessed Jan. 6, 2009.
- The basics of insulin. American Diabetes Association. http://www.diabetes.org/utils/printthispage.jsp?PageID=TYPE1DIABETES3_263601. Accessed Jan. 6, 2009.
- McCulloch DK. Patient information: Insulin therapy in type 1 diabetes mellitus. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- Levitsky LL, et al. Complications and screening in children and adolescents with type 1 diabetes mellitus. http://www.uptodate.com/home.index.html. Accessed Jan. 5, 2009.
- Robertson RP. Pancreas and islet transplantation in diabetes mellitus. http://www.uptodate.com/home.index.html. Accessed Jan. 6, 2009.
- Low blood sugar: Definition, symptoms. Juvenile Diabetes Research Foundation. http://www.jdrf.org/index.cfm?fuseaction=home.viewpage&page_id=EC9AC822-1321-C844-13C1013CF597E42F. Accessed Jan. 6, 2009.
- High blood sugar: Definition, symptoms. Juvenile Diabetes Research Foundation. http://www.jdrf.org/index.cfm?fuseaction=home.viewpage&page_id=EC92D98E-1321-C844-13EB771367A49526. Accessed Jan. 6, 2009.
- Ketoacidosis. American Diabetes Association. http://www.diabetes.org/type-1-diabetes/ketoacidosis.jsp. Accessed Jan. 6, 2009.
- Collazzo-Clavell M (expert opinion). Mayo Clinic, Rochester, Minn. Jan. 21, 2009.
- Diabetes and teens. Juvenile Diabetes Research Foundation. Accessed Jan. 20, 2009.
- Stalvey MS. Fifty years ago in the Journal of Pediatrics. Journal of Pediatrics. 2007: 150(1) http://www.mdconsult.com/das/article/body/115791309-2/jorg=journal&source=&sp=16726925&sid=788957128/N/562819/1.html?issn=0022-3476. Accessed Jan. 6, 2009.
- What is Type 1 Diabetes TrialNet? Type 1 Diabetes TrialNet. http://www.diabetestrialnet.org/about/index.htm. Accessed Jan. 6, 2009.
- International Expert Committee. International Expert Committee report on the role of the A1C assay in the diagnosis of diabetes. Diabetes Care. 2009;32:1.