Frequent question: What happens when you faint from low blood sugar?

Severe hypoglycemia can cause you to pass out. You could have seizures. It could even cause a coma or death.

Why do you pass out from low blood sugar?

Your brain needs glucose to function. In severe cases, low blood sugar may cause you to pass out. Hypoglycemia can be caused by too much insulin or not enough food. Exercising too vigorously or drinking too much alcohol can have the same effect.

At what level do you pass out from low blood sugar?

Severe low blood sugar is below 54 mg/dL. Blood sugar this low may make you faint (pass out). Often, you’ll need someone to help you treat severe low blood sugar. People with diabetes may experience low blood sugar as often as once or twice a week, even when managing their blood sugar closely.

What does it feel like to faint?

Feeling lightheaded and weak and having the sensation of spinning are warning signs of fainting. If you notice any of these signs, sit and put your head between your knees to help get blood to your brain. You could also lie down to avoid injury due to falling.

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What are the signs that you are about to pass out?

Some common ones include:

  • confusion.
  • lightheadedness or dizziness.
  • nausea.
  • slow pulse.
  • blurred or tunnel vision.
  • sudden difficulty hearing.
  • confusion.
  • sweating.

Can low blood sugar cause unconsciousness?

Possible Complications. Severe low blood sugar is a medical emergency. It can cause seizures and brain damage. Severe low blood sugar that causes you to become unconscious is called hypoglycemic or insulin shock.

Is fainting serious?

Fainting, or syncope, is a sudden and temporary loss of consciousness. This usually occurs due to a lack of oxygen reaching the brain. Many things can cause oxygen deprivation to the brain, including low blood pressure. Fainting is not usually serious.

Is it safe to sleep after passing out?

It is recommended that you lay the person down and elevate their feet. Most people will recover quickly after fainting once they lay down because more blood can flow to your brain.

Why did I faint suddenly?

Many different conditions can cause fainting. These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body’s system of nerves) regulates blood pressure.

What to eat after you faint?

Low blood sugar levels may cause dizziness and loss of balance. Eat slow release, low GI foods such as nuts, dried fruit, wholegrain bread, wholegrain porridge oats, celery and peanut butter. Lean Protein can help to stabilise blood sugars, eat more: skinless chicken, fish, quinoa and barley.

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What should you do if you feel faint?

If you feel like you are about to faint, try to: lie down with your legs raised – if you cannot do this then sit with your head lowered between your knees. drink some water. eat something.