My Symptoms

Hypoglycemia: the warning signs

Hypoglycemia occurs when the level of glucose in the blood is too low.

Glucose provides organs their main source of energy and comes from the digestion of sugars contained in food (called carbohydrates, carbohydrates, or carbohydrates). Desserts, fruits and cereal products (rice, pasta and bread) are the main source.

The blood glucose concentration of the body is normally maintained at approximately 70 mg / dL to 140 mg / dL.
The constancy of these values ​​in the body is possible thanks to several hormonal mechanisms in cascades.

Physiology: to better understand

When blood sugar (blood sugar) rises, the pancreas responds by releasing insulin to encourage the transfer of glucose from the bloodstream to the inside of cells of the body, which use it then as fuel.

In between meals, the body must ensure that there is enough glucose circulating in the blood to continuously supply the various organs as a source of energy.

The pancreas releases the hormone glucagon, which gives the liver the order to transform glycogen (reserve sugar) into glucose.

The blood sugar is controlled by several hormones:
> insulin secreted after a meal lowers blood sugar,
> while glucagon, growth hormone, adrenaline and cortisol increase it.

All these hormones are finely adjusted so that the circulating glucose level is relatively constant, even in a young situation.

Symptoms

If these mechanisms do not work as they should, the blood glucose concentration remains too low, and the body produces adrenaline, which can cause symptoms similar to those of anxiety such as:

  • nervousness,
  • pallor,
  • sweats,
  • palpitations,
  • nausea,
  • shivers and sometimes
  • hunger.

If the brain can not get enough glucose, can also appear:

  • a weakness,
  • dizziness,
  • fatigue,
  • headaches,
  • disorders of concentration.
You want to react, to give your testimony or to ask a question? Appointment in our FORUMS or A doctor answers you !

Read also :

> Fasting blood sugar
> Glycemic index: why is it so important?
> Carbohydrates and the glycemic index
> All about diabetes

Author: Dr. Iléana de LAMETH, Hospital Practitioner in Endocrinology, Diabetology, Nutrition

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