What to eat for low blood sugar?

Written by Lin Xiang Dong
Endocrinology
Updated on September 20, 2024
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For already occurring hypoglycemia, our treatment goal is to quickly alleviate the symptoms of hypoglycemia. The primary method is to provide sugar, either through sugar water, sugary drinks, or sugar-containing fruits, bread, etc. After providing sugar, the symptoms of hypoglycemia can be quickly relieved. At the same time, to prevent hypoglycemia, we need to do the following: first, eat meals regularly every day, avoiding eating too late or not enough. Second, it is not advisable to exercise on an empty stomach; it is appropriate to eat something before exercising. Third, avoid excessive alcohol consumption, as it can inhibit the conversion of liver glycogen into glucose in the body, making it easy to develop hypoglycemia, so avoid excessive drinking. Fourth, once common symptoms such as palpitations, dizziness, sweating, and other symptoms occur, we should quickly provide sugar.

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Written by Lin Xiang Dong
Endocrinology
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How to check for hypoglycemia

We usually diagnose hypoglycemia based on the following three criteria. The first is the presence of hypoglycemic symptoms, such as palpitations, tremors, sweating, dizziness, etc. If these symptoms are present, we must immediately consider the possibility of hypoglycemia, and then proceed to monitor blood glucose levels. If the blood glucose reading is below 2.8 for non-diabetic patients and below 3.9 for diabetic patients, hypoglycemia can be considered. Subsequently, the patient should consume sugary water, and if the symptoms significantly alleviate after this, a diagnosis of hypoglycemia can be established. Moreover, if the patient does not have a history of diabetes, does not use hypoglycemic drugs, but experiences recurring episodes of hypoglycemia, further testing is required, such as a fasting test, checking C-peptide levels, insulin levels, etc., to rule out insulinoma.

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Written by Lin Xiang Dong
Endocrinology
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What is hypoglycemia?

Hypoglycemia refers to a condition where the concentration of glucose in the bloodstream is too low, leading to insufficient energy supply in the body. This can excite the sympathetic nervous system or disrupt central nervous system functions, resulting in a range of clinical syndromes. Hypoglycemia is relatively common in our daily lives. Its symptoms often include palpitations, dizziness, trembling limbs, apathy, abnormal behavior, and in severe cases, even coma or sudden death. Therefore, timely diagnosis and treatment of hypoglycemia are very important.

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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 Chen Xie
Endocrinology
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What is hypoglycemia?

Hypoglycemia is a condition characterized by abnormally low plasma glucose levels, caused by various etiologies, and clinically presents as a syndrome mainly featuring sympathetic nervous excitement and brain cell glucose deficiency. For healthy individuals, hypoglycemia is diagnosed when blood glucose levels fall below 2.8 mmol/L. For diabetic patients, hypoglycemia is diagnosed when blood glucose levels are below 3.8 mmol/L. Hypoglycemia can be categorized into fasting hypoglycemia and postprandial hypoglycemia based on its causes. Common symptoms of hypoglycemia include palpitations, fatigue, trembling hands, accelerated heart rate, sweating, mental distraction, dizziness, drowsiness, unstable gait, irritability, and even odd behaviors. In severe cases, it can lead to coma or even death.

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Written by Du Rui Xia
Obstetrics
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Causes of Hypoglycemia in Pregnant Women

Hypoglycemia is a relatively common clinical phenomenon in pregnant women during pregnancy, mainly manifesting as dizziness, blurred vision, and even fainting. This occurs because the metabolism of pregnant women accelerates during pregnancy, while the secretion of the islets is not correspondingly increased. This results in the physiological function of the islets being very active, which can easily lead to low blood sugar in expectant mothers, causing symptoms such as dizziness and fatigue due to hypoglycemia. Additionally, hormonal changes during pregnancy can lead to decreased appetite, nausea, vomiting, irregular eating habits, and malnutrition in pregnant women. Despite this, energy consumption still occurs, which can also lead to hypoglycemia.