Hyperglycemia

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Basics

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• Diagnosis and Tests

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Summary

Hyperglycemia means high blood sugar or glucose. Glucose comes from the foods you eat. Insulin is a hormone that moves glucose into your cells to give them energy. Hyperglycemia happens when your body doesn't make enough insulin or can't use it the right way.

People with diabetes can get hyperglycemia from not eating the right foods or not taking medicines correctly. Other problems that can raise blood sugar include infections, certain medicines, hormone imbalances, or severe illnesses.

Start Here

• High Blood Glucose: What It Means and How To Treat It (Joslin Diabetes Center)
• Hyperglycemia (High Blood Glucose) (American Diabetes Association) Also in Spanish
• Hyperglycemia in Diabetes (Mayo Foundation for Medical Education and Research) Also in Spanish

Diagnosis and Tests

• A1C: MedlinePlus Health Topic (National Library of Medicine) Also in Spanish
• Blood Glucose Test (National Library of Medicine) Also in Spanish

Related Issues

• Diabetic Hyperosmolar Syndrome (Mayo Foundation for Medical Education and Research) Also in Spanish
• Diabetic Ketoacidosis (Mayo Foundation for Medical Education and Research)
• Hyperosmolar Hyperglycemic Nonketotic Syndrome (HHNS) (American Diabetes Association) Also in Spanish
• Managing Hyperglycemia (High Blood Sugar) in the Hospital: a Patient's Guide (Hormone Health Network) - PDF

Statistics and Research

• Patient Access to Research (American Diabetes Association)

Clinical Trials

• ClinicalTrials.gov: Hyperglycemia (National Institutes of Health)

Journal Articles References and abstracts from MEDLINE/PubMed (National Library of Medicine)

• Article: Therapeutic effect of intensive glycemic control therapy in patients with...
• Article: Effects of abnormal 75 g oral glucose tolerance test at different...
• Article: Fasting Blood Glucose Levels Provide Estimate of Duration and Progression...
• Hyperglycemia -- see more articles

Find an Expert

• American Diabetes Association
• National Institute of Diabetes and Digestive and Kidney Diseases

Children

• Hyperglycemia and Diabetic Ketoacidosis (Nemours Foundation)
• When Blood Sugar is Too High (Nemours Foundation) Also in Spanish

Teenagers

• When Blood Sugar Is Too High (Nemours Foundation) Also in Spanish

Patient Handouts

• Diabetic hyperglycemic hyperosmolar syndrome (Medical Encyclopedia) Also in Spanish
• Diabetic ketoacidosis (Medical Encyclopedia) Also in Spanish
• High blood sugar (Medical Encyclopedia) Also in Spanish
• Hyperglycemia - infants (Medical Encyclopedia) Also in Spanish
• Ketones urine test (Medical Encyclopedia) Also in Spanish