This reduces the concentration of glucose in the blood.After a meal, the level of the indicator rises, especially if it contains carbohydrates.
Sugar decreases over time, reaching average values gradually, that is, it changes throughout the day.Normal postprandial blood sugar levels vary from person to person, but there are certain average values.
The level of sugar after a meal
If the patient has relatives with diabetes mellitus or diseases of the pancreas, he is at risk.It is important for him to undergo an examination with a stress test (determination of sugar after drinking a glucose solution).The patient should know how much sugar should rise after a meal.
Table of blood sugar levels after a meal depending on the elapsed time.
| Time after meal | Glucose concentration, mmol/l |
|---|---|
| On an empty stomach | 3.3-5.5 |
| 1 hour | 7.8-8.7 |
| 2 hours | 6.5-7.7 |
| 3 hours | 6-6.5 |
| 4 hours | 5.5-6 |
| 5 hours | 4-5.5 |
After 6 hours, the blood sugar value in a healthy person normalizes;the body needs an additional source of energy.This is especially important in case of hypoglycemia, i.e. reduced blood sugar concentration.The patient should know what time the next meal should be.
Reason for deviations
There are many reasons for sugar readings to differ from normal values.It is important for the doctor to determine why the glucose rises after a meal.If you only treat the symptom, the disease will reappear.
Nutritional factor
A person includes excessive amounts of sugar in their diet.If the patient eats fatty, fried, spicy foods, the condition is complicated
Time after meal Glucose concentration, mmol/l Fasting 3.3-5.5 1 hour 7.8-8.7 2 hours 6.5-7.7 3 hours 6-6.5 4 hours 5.5-6 5 hours 4-5.5
After 6 hours, the blood sugar value in a healthy person normalizes;the body needs an additional source of energy.This is especially important in case of hypoglycemia, i.e. reduced blood sugar concentration.The patient should know what time the next meal should be.
Reason for deviations
There are many reasons for sugar readings to differ from normal values.It is important for the doctor to determine why the glucose rises after a meal.If you only treat the symptom, the disease will reappear.
Nutritional factor
A person includes excessive amounts of sugar in their diet.If the patient eats fatty, fried, spicy foods, the condition is complicated.
Glucose binds to cholesterol, forming plaques.The risk of vessel occlusion, which causes tissue or organ necrosis (death), increases.
A common complication of an unhealthy diet is obesity.The patient has a large amount of fat deposits.
Physical inactivity
If the patient has a hereditary predisposition to hyperglycemia, the situation is complicated in the absence of an active lifestyle.The blood stagnates and glucose together with cholesterol accumulates in certain areas of the vessels.
Inflammatory diseases of the pancreas
When inflammatory processes occur in an organ, beta cells reduce insulin production.It is necessary for the delivery and passage of sugar into the cells.With a single acute inflammation, mild glycemia occurs.If the process has become chronic, the indicator is greatly overestimated.
If the inflammatory process does not affect the islets of Langerhans of the pancreas, the amount of sugar remains within normal limits.
stress
Under severe stress, the body produces cortisol and adrenaline.As a result, heart rate increases, blood pressure rises, and additional glucose is produced.The latter phenomenon is due to the fact that the body needs energy aimed at self-defense.
Diabetes mellitus
This is a disease that develops due to insufficient production of insulin (type 1).
Another reason is the lack of function of the hormone at its normal concentration in the blood (type 2).Glucose is not delivered to the cells or cannot pass through their membrane.The cells send a signal to the central nervous system for a lack of energy.In response, the liver produces glucagon, which further increases sugar levels.
Infectious and viral diseases
If a person has a predisposition to developing diabetes mellitus, hyperglycemia can develop when an infectious or viral agent enters the blood.This reaction is a protective means in the fight against pathogenic microorganisms.
Pregnancy
When pregnancy occurs, the hormonal balance changes and as the fetus grows, the pressure on the internal organs increases.Pregnancy is characterized by an increase in normal glucose values, as the body needs additional energy to nourish the fetus.
During pregnancy, gestational diabetes or hyperglycemia becomes common.
Why does blood sugar change after eating?
Once food enters the gastrointestinal tract, it is processed and absorbed.Nutrients enter the blood.These include proteins, fats and carbohydrates.These indicators are added to the calorie content.
In response to an increase in sugar, insulin is produced.It is a hormone that delivers glucose to cells and transports it across their membrane.
Transporting sugar takes time.Some target organs are located in distal (remote) parts of the body.The concentration of the indicators decreases every hour as the cells consume nutrients.
Methods for measuring blood sugar
There are the following ways to measure blood sugar:
- taking capillary (from a finger) or venous blood with subsequent determination of the indicator using laboratory devices,
- measurement using a glucometer that pierces the skin and collects a minimal amount of capillary blood,
- the use of test strips on which blood drips after piercing the skin,
- non-invasive methods that work by determining the patient's physical parameters (pressure, temperature), using electromagnetic and ultrasound data,
- continuous measurements of the indicator using monitor devices that are changed once every two weeks.
The dangers of low and high sugar levels
Low blood sugar is called hypoglycemia.In this condition, the cells do not receive enough glucose.It does not enter the brain, which leads to reduced activity of the central nervous system and no transmission of nerve impulses to organs and tissues.
If there is increased glucose in the blood, this condition is called hyperglycemia.It is characterized by elevated blood sugar levels.It accumulates in the blood plasma and inside the cells.
If the patient has missing or insulin-resistant cells, blood sugar builds up for this reason.The condition is characterized by increased blood pressure and the risk of cardiovascular disease, which can lead to tissue or organ necrosis.
Treatment of hyperglycemia
A diet that reduces the flow of carbohydrates into the gastrointestinal tract is needed to treat hyperglycemia.Therapy should be comprehensive.It includes medicines and folk remedies.
medicines
To reduce blood sugar, it is necessary to increase its consumption by the cells.Insulin analogues are used for this purpose.The medicine should be administered every day after meals.
There are long-acting insulin preparations that are administered subcutaneously in the form of capsules.They produce a medicine that works for a long time.Capsules are replaced after the expiration date.
If the action of insulin is not enough, drugs are added that enhance its effect.
People's funds
The first thing a diabetic should do is drink their daily amount of water.If it is consumed in quantities of at least 2 liters per day, the blood plasma becomes larger and the concentration of substances in it is lower.That is, the blood is diluted.
Solutions of the following herbs help lower blood sugar:
- chamomile,
- chicory,
- rose hip,
- bay leaf.
An infusion of garlic and lemon juice is used.All of these medicinal plants help reduce blood sugar levels and the risk of cardiovascular disease.
Treatment of hypoglycemia
Hypoglycemia is a condition in which blood sugar levels are low.The main reason is the nutritional factor, that is, the insufficient intake of carbohydrates in the blood.Such patients must constantly eat, eat foods with a high glucose content (candy, chocolate).
Treatment should be carried out comprehensively.Medical and folk remedies are used.
medicines
The main thing in the treatment of hypoglycemia is the constant consumption of food with a large amount of carbohydrates.The products are applied every 2-3 hours, which reduces the risk of a sharp drop in sugar.
If the patient's blood sugar drops sharply, emergency measures should be taken.In hospital conditions, glucagon or dextrose solution is administered to such patients.
People's funds
Folk remedies include herbs and fruits that contain large amounts of sugar.A decoction of rose hips, black currant, yarrow, sea buckthorn, calendula and thyme is used.
They can be used separately or together.All these plants contain large amounts of sugar and have the property of accumulating in the body.That is, the concentration of the indicator remains stable for a long time and does not decrease.
Hyperglycemia and hypoglycemia are dangerous for the human body.If they are found, you should stick to a diet, use medical and folk remedies.It is important for patients to know what the norm is after eating.This will allow you to control its level, prevent complications, excessive excess or reduction of blood sugar levels.It is important to visit your doctor periodically to monitor the disease.
diet
In case of hyperglycemia, it is necessary to reduce the carbohydrate load of the body.To do this, completely eliminate sweets, chocolate, sweet fruits and baked goods.
The diabetic must calculate the glycemic index for each meal, which in case of illness should not exceed 70 units.
If the patient experiences hypoglycemia, food is consumed 6-7 times a day in small portions.This maintains a constant concentration of carbohydrates in the body.You must have sweets and chocolate with you;they are used if a person feels dizzy or ill.