Sometimes, after eating a full meal, do you suddenly feel weak, tired, and dizzy within two or three hours? Some people sweat and their hands and feet shake. Many people think this is normal. But this can be a condition caused by a drop in blood sugar levels after eating. In medicine, we call this Reactive Hypoglycemia. Let's talk about this simply today.
First of all, what is hypoglycemia?
Simply put, hypoglycemia is when your blood sugar , or glucose , level is lower than normal. Our body's sugar levels go up and down to some extent throughout the day. That's normal. But it's only when it gets too low that it becomes a problem.
Although this condition is mainly common among diabetics, there are two types that can develop in anyone:
1. Fasting Hypoglycemia: This is usually caused by another underlying medical condition. In this, blood sugar levels drop when you are not eating.
2. Reactive Hypoglycemia: This is the type we are talking about today and is the one that most people have. It occurs after eating a meal . That is why it is sometimes called `(postprandial hypoglycemia )`. That means “low blood sugar after eating”.
What are the symptoms of Reactive Hypoglycemia?
These symptoms usually appear within 4 hours of eating a meal. See if these are familiar to you. You may experience one or more of these symptoms at the same time.
| Symptom | How it occurs |
|---|---|
| Excessive fatigue/fatigue | A sudden feeling of loss of life. |
| Shivering and sweating | Trembling of limbs, sweating as if from cold. |
| Dizziness and fainting | Dizziness, feeling like you might lose consciousness. |
| Restlessness and irritability | Feeling fearful and easily angered. |
| Heart palpitations | The heart beats so fast that you can hear it yourself. |
| Extreme hunger | Feeling hungry again shortly after eating. |
| Other features | Blurred vision, headaches, inability to concentrate, insomnia. |
Why is this happening? What are the reasons?
The reason for this isn't always clear, but it's often because your body produces more of a hormone called insulin after a large meal containing a lot of carbohydrates .
Imagine that you eat a lot of rice, bread, noodles, and something sweet at once. Then our pancreas produces insulin to control this sugar . But in some people's bodies, even after the food is digested, this insulin continues to be produced. Then more insulin than necessary accumulates in the blood, causing the blood sugar level to drop suddenly. That is the cause of these symptoms.
Simply put, what's happening here is that the body's attempt to control sugar goes a little "wrong" and overreacts.
In addition, there may be other reasons:
- Some types of tumors.
- Drinking alcohol (especially without food).
- Some surgeries. For example, gastric bypass surgery or surgery for ulcers.
- Some metabolic diseases.
- People who are overweight are more likely to develop this condition.
How do you know if this is the case?
If you think you may be experiencing these symptoms, the best thing to do is to see your doctor . He or she will ask you about your symptoms, medical history, and whether anyone in your family has diabetes.
The doctor may order tests such as the following to diagnose the disease:
- Blood sugar test: You can check your blood sugar level when you have symptoms and compare it to the level you take after your symptoms have gone away.
- Mixed-Meal Tolerance Test (MMTT): In this test, you are given a special drink (high in sugar) that can raise your blood sugar levels. Then, your blood is sampled several times over the next 5 hours to check your sugar levels. This can help to see if your sugar levels drop abnormally.
Treatment and lifestyle changes
Treatment methods depend on what is causing your condition.
Medical treatment
For someone with diabetes, if the blood sugar level drops below 70 mg/dL, it is a state of hypoglycemia. At that time, you should take 15 grams of carbohydrates (e.g., some glucose, some fruit juice) and check your blood sugar again in 15 minutes. But these things should only be done on medical advice .
Most people with Reactive Hypoglycemia do not need any special medications. However, if the cause is a tumor or other disease, the doctor will prescribe the necessary treatment (surgery or other medications).
Things you can do at home
Many people do not need medical treatment, but can manage the condition well by making lifestyle and dietary changes.
Here are some things you can try:
- Eat a small meal or snack every 3 hours. Eating 5 or 6 small meals a day, rather than 3 large meals, helps keep blood sugar levels steady.
- Choose a balanced diet. Include protein (fish, meat, eggs, chickpeas, lentils), fruits and vegetables, dairy products, and whole grains in your diet.
- Reduce your intake of foods high in sugar and refined carbohydrates. This includes white bread, cakes, biscuits, sugary drinks, and very sweet tea. These can cause blood sugar to spike and then drop.
- If you drink alcohol, avoid drinking on an empty stomach. Always drink alcohol with food.
- Exercise regularly. Even simple daily exercises can help your body use sugar more efficiently.
Take-Home Message
- Symptoms of Reactive Hypoglycemia include fatigue, dizziness, and tremors after eating. Do not ignore these.
- The main reason for this is that the body produces more insulin after a high-carbohydrate meal.
- If you experience these symptoms frequently, don't just assume, but definitely consult your doctor for advice.
- This condition can be largely controlled by eating small, frequent meals, maintaining a balanced diet (including protein, vegetables, and fruits), and limiting foods high in sugar.
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