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Understanding Hypoglycemia: Symptoms, Causes, and Management

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Hypoglycemia or low sugar is common in diabetic patients. What is needed to be done in case of emergency is discussed in this article.

Medically reviewed byDr. K. Shobana

Published At May 1, 2014
Reviewed AtJuly 24, 2024
Understanding Hypoglycemia: Symptoms, Causes, and Management

Introduction

Hypoglycemia occurs when the concentration of glucose in your bloodstream falls below the optimal range for your health. It is alternatively referred to as hypoglycemia or low blood glucose levels. Hypoglycemia is prevalent among individuals with diabetes, particularly those with type 1 diabetes.

Hypoglycemia occurs in individuals with diabetes when their blood sugar level drops below 70 milligrams per deciliter (mg/dL) or 3.9 millimoles per liter (mmol/L). Hypoglycemia, for individuals without diabetes, occurs when their blood sugar level falls below 55 mg/dL or 3.1 mmol/L.

What Are the Various Phases of Hypoglycemia?

Hypoglycemia occurs when plasma glucose is lower than 70 mg/dl. There are three stages of hypoglycemia:

  • Mild hypoglycemia - Symptoms like tingling sensation, dizziness, hunger, weakness, etc

  • Severe hypoglycemia - Loss of consciousness

  • Moderate hypoglycemia - Palpitation, tremors, confusion, disorientation etc

What Is the Diagnostic Process for Hypoglycemia?

In diabetes, the individual needs to monitor the levels of blood glucose on a daily basis and ensure that they do not fall below the desired range. One can do this task by utilizing either a blood glucose meter or a continuous glucose monitoring (CGM) device. The healthcare professionals have the option to utilize blood testing to determine if the levels of blood glucose are excessively low.

Which Symptoms of Hypoglycemia Are Displayed?

Low blood glucose symptoms typically appear suddenly. Each person may experience various symptoms, but they could include:

  • Trembling

  • Perspiration

  • Anxiety or nerves

  • Disorientation or irritability

  • Lightheadedness

  • Malnutrition

What Are the Different Causes for Hypoglycemia?

Typical circumstances that may result in hypoglycemia for those with diabetes include:

  • Excessive insulin intake, incorrect insulin selection, or injections into the muscle instead of injection beneath the skin.

  • Improperly synchronizing the administration of insulin and the consumption of carbohydrates, such as delaying the consumption of a meal after administering insulin for that meal.

  • Excessive consumption or administration of oral diabetic medicines.

  • Exhibiting increased levels of physical activity compared to the normal.

  • Consuming alcohol on an empty stomach.

  • Engaging in delayed meal consumption or omitting meals altogether.

  • Failure to achieve meal balance by incorporating enough amounts of fat, protein, and fiber.

  • Pregnant individuals with Type 1 diabetes are at an increased risk of experiencing hypoglycemia in the first trimester as a result of hormonal fluctuations.

How to Manage Hypoglycemia?

Consuming Carbohydrates Through Eating or Drinking

To rapidly increase the level of blood sugar, consume a food item that consists more of sugar or carbohydrates. The most recommended treatment is pure glucose, which can be found in tablets, gels, and various forms.

High-fat foods, like chocolate, have a slower impact on blood sugar levels. Diet soft drinks are ineffective in treating hypoglycemic episodes due to their lack of sugar content.

Test the Blood Glucose Levels

Monitor your blood sugar concentration for 15 minutes following the consumption of food or beverages as a means to manage hypoglycemia. If the blood glucose levels remain low, consume an additional 15 to 20 grams of carbs through food or beverages. Continue this sequence until the blood glucose level exceeds 70 mg/dL.

Consume a Snack or a Larger Portion of Food

Consume a snack or a full meal to prevent another decline in blood sugar levels. Since people usually administer insulin while eating, it is normally unnecessary to take extra insulin if a patient consumes a snack following a hypoglycemic episode.

It is crucial to avoid excessive treatment of low blood sugar. Engaging in such behavior can result in an excessive elevation in the level of blood sugar, leading to sensations of thirst and fatigue.

Immediate Medical Intervention

Glucagon is an endocrine hormone that rapidly elevates blood glucose levels. It can be life-saving if an individual is not sufficiently conscious to consume food or drink in order to increase their blood sugar levels. Glucagon can only be obtained with a prescription.

Glucagon is available either in an emergency syringe kit or as a pre-mixed injection that is already prepared for immediate use. Glucagon can be administered as a powdered nasal spray, which is applied in a single nostril.

If one has experienced a severe episode of low blood sugar that necessitated assistance from others, a doctor will probably want to determine whether the insulin or similar diabetes prescription needs to be modified in order to prevent another severe episode.

Hypoglycemia That Is Challenging to Control

Certain individuals experience frequent and severe episodes of hypoglycemia, even after making modifications to their medication. Under these conditions, a physician may advise you to maintain blood sugar levels at an elevated level compared to the usual range.

A medical professional may also recommend the use of a continuous glucose monitor, which is a device that measures blood sugar levels at regular intervals by use of a sensor put beneath the skin surface. The healthcare practitioner will also probably advise to carry glucagon at all times.

How Can Hypoglycemia Be Prevented?

  • There are several ways to prevent hypoglycemia if there is diabetes and are taking insulin or other medications that lower blood glucose:

  • Follow the dietary plan that is prescribed for diabetes. Maintain the blood glucose levels within your preferred range by consuming an adequate amount of carbohydrates. bring a source of fast-acting carbohydrates, such as glucose tablets or a juice carton, with that in the event that the levels of blood glucose drop too low.

  • Practice safety while engaging in physical activity. Please verify the blood sugar levels both prior to and following the event.

  • Make sure patients are taking the drugs for diabetes in the correct manner.

Conclusion

Hypoglycemia is a prevalent condition among individuals diagnosed with diabetes. Failure to receive timely treatment can have serious consequences. It is crucial to familiarize oneself with the specific indicators of low blood sugar and consistently monitor blood sugar levels in order to mitigate the risk of experiencing severe episodes of low blood sugar. Having a better understanding of the factors contributing to the episodes can facilitate the process of modifying the strategy.

When encountering hypoglycemia and do not have diabetes, it is advisable to consult with a medical professional. it is uncommon for the underlying cause to be a severe disease, it is still a possibility. It is advisable to undergo a medical examination promptly rather than delaying it.

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Frequently Asked Questions

Hypoglycemia is a condition where blood sugar levels are low. In some cases, hypoglycemia can occur without diabetes. A relative state of hypoglycemia can occur where the sugar level falls suddenly.
The average sugar level is estimated to be around 70-110mg/dl. Hypoglycemia attack is a state where the blood sugar levels fall than normal. A hypoglycemic episode can result in symptoms like clumsiness, hunger, confusion, sweating, seizures, and death in complicated cases.
The classic signs of hyperglycemia are:
- Frequent urination.
- Increased thirst.
- Fatigue.
The following signs and symptoms can identify hypoglycemia.
- Weakness.
- Abdominal pain.
- Nausea and vomiting.
- Fruity-smelling breath.
- Coma.
- Shortness of breath.
- Dry mouth.
- Confusion.
In order to get rid of the symptoms of hypoglycemia, the person is asked to drink water or fruit juice. The water is added with glucose or 15-20 grams of carbohydrate content. The fruit juices can be easily converted into the sugar necessary for the body. In the hospital set up, the patient will be given glucagon injection immediately.
Hyperglycemia occurs where the sugar levels rise up due to the poor control of diabetes. This hyperglycemic condition can be seen only in untreated cases of diabetes. Hypoglycemia can occur as a side effect of medications that are consumed to reduce the level of sugar.
The signs of hyperglycemia are:
- Headache.
- High blood sugar.
- Frequent thirst.
- Increased tendency to urinate.
- Blurred vision.
If the child suffers from a low blood sugar level, then the child starts experiencing a higher level of hunger. They might seem to be drowsy, and a change in the skin color will be noticed. If you notice that the child has an increased heart rate, then it is necessary to take your child to the hospital as soon as possible.
When the child is hypoglycemia, you should give the child candies or chocolates instantly. You can also provide milk and fruit juice. It is necessary to provide them with a diet that is rich in carbohydrates, protein, fat, and whole grains.
Bananas are very good for hypoglycemia. This can increase the level of sugar in hypoglycemic patients. In addition to bananas, you can also go for other fruits like apples and orange. Any diet that is rich in carbohydrates can be used to increase sugar levels.
The recommended foods for hypoglycemia are:
- Yogurt.
- Fruit like berries, bananas, and apples.
- Dried nuts and fruits.
- Whole grain bread.
The following foods should be avoided for hypoglycemia:
- Processed foods
- Artificial sweeteners.
- Fried foods.
- Hot dogs, meat, and sausages.
- MSG (monosodium glutamate).
- All soft drinks.
Yes, coffee has a positive effect on hypoglycemia. Patients who are having hypoglycemia can drink coffee three times a day. This will help them keep their sugar levels normal. They can also choose to have frequent small meals rather than heavy meals.
The brain is the organ that is greatly affected by hypoglycemia. It will result in the loss of consciousness and blurred vision. In complicated conditions, seizures can also occur.
The patient who is having hypoglycemia and is still in a conscious state can be easily brought back to the normal state after consuming sugars in the liquid form or any juices. A person who has lost consciousness due to hypoglycemia has to be admitted to the hospital. Intravenous infusions with glucose can be given to the hospital.
The medications that are recommended for hypoglycemia:
- Glucose supplements like dextrose.
- Inhibitors of insulin secretion like Diazoxide and Octreotide.
- Glucose-elevating agents like glucagon.
- Antineoplastic agents like Streptozocin.

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