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You may have these
symptoms when your blood sugar has dropped below 70
milligrams per deciliter (mg/dL). When you have had
diabetes for many years, you may not always develop symptoms of mild low blood
young children with
diabetes cannot recognize symptoms of low blood sugar.
Others can, but not every time. To be safe, the parents need to do a home blood
sugar test whenever they suspect low blood sugar in a child.
Symptoms may include:
These symptoms may go away shortly after you eat food that
If your blood sugar continues to drop (below 40 mg/dL), your
behavior may change. Symptoms may include:
Symptoms of severe low blood sugar (usually below 20 mg/dL)
If your blood
sugar drops while you are sleeping, your partner or other family members may
notice that you are sweating and behaving differently. Signs of low blood sugar
at night (nocturnal hypoglycemia) include:
You may wake up with a headache in the morning if your
blood sugar was low during the night.
July 1, 2011
E. Gregory Thompson, MD - Internal Medicine & Jennifer Hone, MD - Endocrinology, Diabetes and Metabolism
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