You may have these symptoms when your blood sugar has dropped below 70 milligrams per deciliter (mg/dL). When ...
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 sugar.
Some
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:
- Sweating (almost always present). Check for sweating on the back of your neck at your hairline.
- Nervousness, shakiness, and weakness.
- Extreme hunger and slight nausea.
- Dizziness and headache.
- Blurred vision.
- A fast heartbeat and feeling anxious.
These symptoms may go away shortly after you eat food that
contains sugar.
Symptoms of moderate low blood sugar
If your blood sugar continues to drop (below 40 mg/dL), your
behavior may change. Symptoms may include:
- Inability to concentrate.
- Confusion and irritability.
- Slurred speech.
- Unsteadiness when standing or walking.
- Muscle twitching.
- Personality changes, such as anger or crying.
Symptoms of severe low blood sugar
Symptoms of severe low blood sugar (usually below 20 mg/dL)
include:
- Seizure.
- Loss of consciousness (coma).
- Stroke.
- Death.
Signs of low blood sugar at night
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:
- Restlessness.
- Making unusual noises.
- Attempting to get out of bed or accidentally rolling out of bed.
- Sleepwalking.
- Nightmares.
- Sweating.
You may wake up with a headache in the morning if your
blood sugar was low during the night.
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