Hyperglycemia - self care; High blood glucose - self care; Diabetes - high blood sugar
High blood sugar is also called high blood glucose, or hyperglycemia.
High blood sugar almost always happens in people who have diabetes. High blood sugar occurs when:
Insulin is a hormone that helps the body move glucose (sugar) from the blood into muscle or fat, where it is stored for later use when energy is needed.
Sometimes high blood sugar occurs due to stress from surgery, infection, trauma, or medicines. After the stress is over, blood sugar returns to normal.
Symptoms of high blood sugar can include:
You may have other, more serious symptoms if your blood sugar becomes very high or remains high for a long time. Over time, high blood sugar weakens your immune system and makes it more likely for you to get infections.
High blood sugar can harm you. If your blood sugar is high, you need to know how to bring it down. If you have diabetes, here are some questions to ask yourself when your blood sugar is high:
Are you taking your diabetes medicines correctly?
What else has changed?
To prevent high blood sugar, you will need to:
You and your doctor will:
If your blood sugar is higher than your goals over 3 days and you don't know why, check your urine for ketones. Then call your health care provider.
American Diabetes Association Professional Practice Committee. 5. Facilitating Behavior Change and Well-being to Improve Health Outcomes: Standards of Medical Care in Diabetes-2022. Diabetes Care. 2022;45(Suppl 1):S60-S82. PMID: 34964866 pubmed.ncbi.nlm.nih.gov/34964866/.
American Diabetes Association Professional Practice Committee. 6. Glycemic Targets: Standards of Medical Care in Diabetes-2022. Diabetes Care. 2022;45(Suppl 1):S83-S96. PMID: 34964868 pubmed.ncbi.nlm.nih.gov/34964868/.
Atkinson MA, Mcgill DE, Dassau E, Laffel L. Type 1 diabetes. In: Melmed S, Auchus RJ, Goldfine AB, Koenig RJ, Rosen CJ, eds. Williams Textbook of Endocrinology. 14th ed. Philadelphia, PA: Elsevier; 2020:chap 36.
Riddle MC, Ahmann AJ. Therapeutics of type 2 diabetes. In: Melmed S, Auchus RJ, Goldfine AB, Koenig RJ, Rosen CJ, eds. Williams Textbook of Endocrinology. 14th ed. Philadelphia, PA: Elsevier; 2020:chap 35.BACK TO TOP
Review Date: 2/1/2022
Reviewed By: Sandeep K. Dhaliwal, MD, board-certified in Diabetes, Endocrinology, and Metabolism, Springfield, VA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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