Hypoglycemia Causes

What leads to low blood glucose levels

Written by Amy Hess-Fischl MS, RD, LDN, BC-ADM, CDE
Reviewed by Brigid Gregg MD

Hypoglycemia (low blood sugar) is a disorder that most commonly affects people with diabetes, but it can also affect those without diabetes. People who do not have diabetes but who exhibit signs and/or symptoms of hypoglycemia may need to undergo testing to pinpoint the cause.

In people with diabetes—both type 1 diabetes and type 2 diabetes—a hypoglycemic event is a daily possibility. Even when taking steps to keep your blood glucose in an acceptable range (eating properly, taking medication, and exercising), it is possible that your blood glucose may go too low. Therefore, part of managing diabetes includes learning how to identify the signs and symptoms of hypoglycemia.

Some possible causes of hypoglycemia, especially if you have diabetes, are:


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