If you have diabetes, you probably know all too well the strange discomfort, fatigue, and drowsiness you feel after eating a big meal. That's what we say in everyday conversation, "I feel like I ate a lot of sugar today." Is it really normal for blood sugar to suddenly rise like this after eating? Is it dangerous? Can't we control it? Okay, let's talk about this clearly and simply today.
What is the relationship between food and blood sugar (glucose)?
Simply put, after we eat, our digestive system breaks down the food we eat into energy. This energy is what we call 'glucose' or 'sugar'. This glucose enters the blood and travels to all the cells in the body to provide them with the energy they need. So it is normal for blood sugar levels to rise to some extent after a meal.
If you are a diabetic, you probably have a glucose meter at home that allows you to take a drop of blood from your finger and check your blood sugar. Doctors usually advise you to check your blood sugar levels before meals and two hours after starting a meal. This will give you a good idea of how your body is responding to food.
Normally, a healthy adult's blood sugar level before a meal should be between 80-130 mg/dL. Two hours after a meal, it is best to keep it below 180 mg/dL.
Why is it dangerous to jump on sugar after eating?
Doctors call this sudden spike in blood sugar after eating 'Postprandial Hyperglycemia'. Think about it, if this happens once or twice, it may not be a big problem. But having high blood sugar levels in the long term and frequently is not a good thing at all.
Just like driving a car at high speed all the time. Even if it doesn't cause any problems after a short distance, if you continue driving at that speed, it will damage parts of the car, such as the engine and tires. Similarly, long-term high blood sugar levels damage the vital organs of our body.
This can cause serious damage to your kidneys, nervous system, eyes, and heart . Therefore, it is very important to take care of this condition.
How do I know if my blood sugar is high?
If your blood sugar level goes above 200 mg/dL, you may have symptoms of high blood sugar (hyperglycemia). Not everyone will have all of these symptoms, but if you have several of them, you should be concerned.
| Symptom | How you feel |
|---|---|
| Excessive thirst | A dry mouth that feels like it's not enough no matter how much water you drink. |
| Frequent urination | Needing to urinate more often than usual. |
| Excessive tiredness/fatigue | Feeling extremely tired even after sleeping well and doing nothing. |
| Blurred vision | Things that used to be clear become a bit blurry, like they're in a fog. |
| Nausea and confusion | Feeling nauseous, disoriented, unable to focus. |
What do you do if your sugar suddenly rises?
If you have the symptoms mentioned above, don't panic and first check your blood sugar level with your glucose meter. If it is high, you can lower your blood sugar level a little by doing some simple exercise, such as a short walk for 10-15 minutes .
But there is a very, very important warning here.
If your blood sugar level is very high, such as 240 mg/dL, you should check your body for ketones before exercising. Ketones are a type of acid that is produced when the body cannot get energy from glucose and burns fat for energy. If you exercise with high levels of ketones in your blood, it can cause your blood sugar to rise even more, leading to a life-threatening condition called diabetic ketoacidosis.
You can check your ketone levels at home with urine test strips or some modern glucose meters. If you detect ketones, do not exercise for any reason . You should talk to your doctor immediately and get the necessary treatment.
Sometimes, if your sugar levels become uncontrollable and you feel very uncomfortable, don't hesitate to go to the Emergency Treatment Unit (ETU) of the nearest hospital. There, you will be given the necessary treatments, such as saline and insulin, to control the condition.
How do you prevent sugar spikes like this?
"Prevention is better than cure," they say. So there are several things we can do to prevent frequent sugar spikes. Let's talk about three main ways.
1. Take your medicine correctly, on time.
If your doctor has prescribed insulin injections or diabetes pills like metformin, never skip them. It is very important to take the right dose at the right time. Sometimes your medication dose may need to be changed. So if your sugar is constantly high, talk to your doctor about it and re-adjust your treatment plan.
2. Be careful about food and drink.
This is the most important thing. There are some foods that cause a sudden spike in blood sugar. For example, bread, sugary drinks, and cakes. Other foods (e.g., crackers, bran rice, and vegetables) cause a slow spike in blood sugar. We call this the Glycemic Index (GI). Choosing foods with a low GI can help prevent a sudden spike in blood sugar. Ask your doctor or a nutritionist at a government hospital about this.
3. Exercise daily
Exercise is your best friend when it comes to managing diabetes. When you exercise, it makes it easier for your muscles to absorb glucose (sugar) from your blood. This means your blood sugar levels are naturally controlled. Exercise also helps you control your weight and improve your circulation. Try to do something like brisk walking, cycling, or swimming for at least 30 minutes a day. But remember, before you start a new exercise program, it's a good idea to talk to your doctor about what exercises are right for you.
Take-Home Message
- A spike in blood sugar levels after eating is a common condition seen in people with diabetes.
- This can cause long-term damage to your eyes, kidneys, nerves, and heart.
- If you experience symptoms such as excessive thirst, excessive fatigue, and frequent urination, it may be a sign of high sugar levels.
- If your blood sugar level is too high, above 240 mg/dL, avoid exercising without checking your ketone levels. This can be dangerous.
- This condition can be well controlled by taking medication on time, eating foods that are mindful of the glycemic index, and exercising daily.
- If you have any concerns about your diabetes condition or treatment plan, never hesitate to talk openly with your doctor about it.
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