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What are the symptoms of hypoglycemia?

May 28, 2022 Source: Cainiu Health
Dr. Pan Yongyuan
Introduction
Hypoglycemic reactions are more common in the hyperglycemia group. Most patients with hyperglycemia experience a rapid, excessive decline in blood glucose levels during treatment, leading to hypoglycemia. Symptoms include anxiety, dizziness, sweating, fatigue, and hunger. Hypoglycemic reactions frequently occur due to excessive insulin use, incorrect timing of insulin injection, inadequate food intake, fasting exercise, alcohol consumption on an empty stomach, or inappropriate, unsupervised use of antidiabetic medications.

Many people have heard of hypoglycemia, yet few truly understand “hypoglycemic reactions.” In fact, such reactions occur predominantly among individuals with diabetes. Many diabetic patients are informed by their physicians that they are experiencing hypoglycemic reactions—yet remain puzzled, especially when their blood glucose readings appear high. So, what are the symptoms of hypoglycemia?

What Are the Symptoms of Hypoglycemia?

Hypoglycemic reactions commonly occur in individuals with previously elevated blood glucose levels (i.e., those with hyperglycemia). When blood glucose drops too rapidly during treatment—often due to excessive or mistimed insulin administration, insufficient food intake, fasting exercise, alcohol consumption on an empty stomach, or inappropriate use of antidiabetic medications—patients may develop hypoglycemia. Typical symptoms include anxiety, dizziness, sweating, fatigue, and intense hunger. Hypoglycemic reactions must be taken seriously: severe hypoglycemia leading to unconsciousness, if left untreated, can result in irreversible brain damage or even death.

For conscious patients experiencing hypoglycemia, immediate oral intake of fast-acting carbohydrates (“sugar”) is recommended to raise blood glucose levels. Suitable options include soft drinks such as Sprite or cola, fruit juice, candy, sugar water, glucose tablets, or honey. However, do not administer anything orally to an unconscious patient, as this poses a serious risk of aspiration and choking. Instead, seek emergency medical care immediately.

To prevent hypoglycemic episodes in patients with diabetes, it is advisable to carefully titrate antidiabetic medications—especially insulin and oral hypoglycemic agents—starting with low doses and gradually increasing as needed. Meals should be regular and balanced; avoid skipping meals or eating excessively large portions at once. Frequent self-monitoring of blood glucose is essential, and patients should always carry quick-acting carbohydrate sources—such as candy, biscuits, or glucose tablets—for prompt treatment if early symptoms arise. We hope this article has been helpful. Wishing you a joyful life and optimal health!

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