How is hypoglycemia treated?

Written by Zhao Xin Lan
Endocrinology
Updated on March 13, 2025
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For mild hypoglycemia, if the patient is conscious, they can self-treat by orally consuming sugary solutions or foods containing carbohydrates, such as beverages, fruit juices, glucose water, candies, etc. In cases of more severe hypoglycemia accompanied by changes in consciousness, oral sugar intake is not advisable. Instead, intravenous glucose injections should be administered to raise blood sugar levels, typically using about 40-100 ml of 50% concentrated glucose. Blood sugar levels should be monitored repeatedly. If the patient does not regain consciousness, repeated glucose injections may be necessary. For severe cases with other organic pathologies, treatment with corticosteroids may be required, and emergency hospital treatment is necessary.

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Written by Zhao Xin Lan
Endocrinology
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Does hypoglycemia spread?

Hypoglycemia is not a contagious disease, so it is not transmittable. Hypoglycemia is primarily caused by excessive secretion of insulin in the body, or by consuming too little sugary food, leading to abnormally low blood sugar levels and certain clinical symptoms such as palpitations, trembling hands, fatigue, and cold sweats. Therefore, it is caused by pathological reasons within the body itself, and not by infectious bacteria or viruses from external sources, so it is not contagious. However, when hypoglycemia occurs, it is necessary to promptly consume sugary foods to alleviate the symptoms and prevent more serious damage to the body.

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Written by Lin Xiang Dong
Endocrinology
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The harms of hypoglycemia

Hypoglycemia poses significant risks to the human body and mainly includes the following aspects: Firstly, hypoglycemia can lead to brain dysfunction, initially characterized by lack of mental focus, sluggish thinking and speech, dizziness, drowsiness, irritability, and other symptoms. In later stages, seizures, coma, and even death may occur. Secondly, recurrent hypoglycemic episodes can cause irreversible damage to the central nervous system, leading to changes in personality, mental disorders, dementia, etc. Thirdly, hypoglycemia can stimulate the cardiovascular system, trigger arrhythmias, myocardial infarction, and so on. Fourthly, prolonged hypoglycemic coma, if unnoticed, can result in death.

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Written by Tang Zhuo
Endocrinology
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Manifestations of Hypoglycemia

When the blood glucose level of a normal person falls below 2.8mmol/L, or for diabetics below 3.9mmol/L, it is referred to as hypoglycemia. Hypoglycemia refers to a clinical syndrome caused by an abnormally low glucose concentration in the blood due to various reasons. Clinically, it primarily manifests through symptoms stimulated by the sympathetic nervous system and affects on the central nervous system. Typical signs of hypoglycemia include excessive sympathetic nervous excitement, such as sweating, hunger, palpitations, trembling, and paleness. Additionally, there are manifestations of brain dysfunction, initially presenting as lack of concentration, slow thinking and speech, dizziness, drowsiness, restlessness, irritability, and bizarre behavior. In severe cases, seizures, coma, and even death may occur.

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Written by Lin Xiang Dong
Endocrinology
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How to test for hypoglycemia?

Hypoglycemia refers to a syndrome characterized by symptoms of sympathetic nerve excitation and brain cell hypoxia due to low blood glucose concentration. We usually identify hypoglycemia first by a series of symptoms. The primary symptoms of hypoglycemia are sympathetic nerve symptoms, including dizziness, palpitations, cold sweats, hunger, and pallor. If these symptoms occur, we use a glucometer to determine if the blood sugar level is below 2.8 mmol/L. If the blood sugar is below 2.8 mmol/L, one should quickly consume sugary water and energy. If the patient's symptoms are alleviated, then it is considered hypoglycemia.

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Written by Lin Xiang Dong
Endocrinology
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How is hypoglycemia treated?

The treatment for hypoglycemia is relatively simple; in most cases, it involves immediate consumption of sugar water to replenish energy, which can significantly alleviate the symptoms of hypoglycemia. If it is an occasional, single occurrence of hypoglycemia, normal status can be restored after replenishing energy. However, if hypoglycemia occurs repeatedly, it is necessary to seek timely medical treatment at a hospital to rule out some common diseases that cause hypoglycemia.