How do you know if your blood sugar is high or low?

Symptoms of low blood sugar, such as sweating, shakiness, extreme hunger, nausea, or dizziness. Symptoms of high blood sugar, such as increased thirst, increased urination, fatigue, or lightheadedness. Symptoms occur more often or are more severe.

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How do you feel when your sugar is low?

Symptoms of hypoglycaemia
  1. feeling hungry.
  2. sweating.
  3. dizziness.
  4. tiredness (fatigue)
  5. blurred vision.
  6. trembling or shakiness.
  7. going pale.
  8. fast pulse or palpitations.

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How do you feel when blood sugar is high?

Symptoms of high blood sugar

feeling very thirsty. peeing a lot. feeling weak or tired. blurred vision.

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How can you tell the difference between high and low blood sugar?

Symptoms of low blood sugar and high blood sugar are different. With hypoglycemia, people can feel shaky, sweaty, and dizzy; but, with hyperglycemia, people often don't experience any symptoms. Recognizing the symptoms of hypoglycemia — and knowing how to treat it — is important when you have diabetes.

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Can you tell if your blood sugar is high?

Extreme thirst. Light-headedness. Flushed, hot, dry skin. Restlessness, drowsiness, or difficulty waking up.

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Lesson 3: High vs. Low Blood Sugar (English)

32 related questions found

Is 6.1 blood sugar high?

In general: Below 5.7% is normal. Between 5.7% and 6.4% is diagnosed as prediabetes. 6.5% or higher on two separate tests indicates diabetes.

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How do I bring my blood sugar down quickly?

When your blood sugar level gets too high, the quickest way to reduce it is to take fast-acting insulin. Exercising is another fast, effective way to lower blood sugar. In some cases, you should go to the hospital. High blood sugar levels are known as hyperglycemia or high blood glucose.

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What are 2 signs of low blood sugar?

Symptoms of Low Blood Sugar
  • Fast heartbeat.
  • Shaking.
  • Sweating.
  • Nervousness or anxiety.
  • Irritability or confusion.
  • Dizziness.
  • Hunger.

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What is worse high or low blood sugar?

Both low and high blood-sugar levels lead to serious health consequences. High blood sugar may cause nausea, vomiting, or shortness of breath, while low blood sugar may cause confusion, dizziness, blurred vision, seizures, unconsciousness, or even death, McDermott explains.

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What is a normal blood sugar reading?

Normal Results

If you had a fasting blood glucose test, a level between 70 and 100 mg/dL (3.9 and 5.6 mmol/L) is considered normal. If you had a random blood glucose test, a normal result depends on when you last ate. Most of the time, the blood glucose level will be 125 mg/dL (6.9 mmol/L) or lower.

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Is 7.8 blood sugar high?

Less than 140 mg/dL (7.8 mmol/L ) is normal. 140 to 199 mg/dL (7.8 mmol/L and 11.0 mmol/L ) is diagnosed as prediabetes. 200 mg/dL (11.1 mmol/L ) or higher after two hours suggests diabetes.

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What causes blood sugar to spike?

Coffee—even without sweetener. Some people's blood sugar is extra-sensitive to caffeine. Losing sleep—even just one night of too little sleep can make your body use insulin less well. Skipping breakfast—going without that morning meal can increase blood sugar after both lunch and dinner.

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What causes blood sugar to drop?

your body releasing too much insulin after eating (called reactive hypoglycaemia or postprandial hypoglycaemia) not eating (fasting) or malnutrition. a complication of pregnancy. a gastric bypass (a type of weight loss surgery)

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What are 10 warning signs of diabetes?

Symptoms
  • Feeling more thirsty than usual.
  • Urinating often.
  • Losing weight without trying.
  • Presence of ketones in the urine. ...
  • Feeling tired and weak.
  • Feeling irritable or having other mood changes.
  • Having blurry vision.
  • Having slow-healing sores.

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Does drinking water lower blood sugar?

Drinking water regularly may rehydrate the blood, lower blood sugar levels, and reduce diabetes risk ( 20 , 21 ). Keep in mind that water and other zero-calorie drinks are best. Avoid sugar-sweetened options, as these can raise blood glucose, drive weight gain, and increase diabetes risk ( 22 , 23 ).

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How can I check my blood sugar without a meter?

You can check your blood sugar level without the need for finger sticks or needles by using a CGM or flash monitor. There are several on the market. These devices involve a sensor that measures the level of sugar in the interstitial fluid, which is a proxy for the amount of sugar in your blood.

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Is 4.8 blood sugar normal?

For most people without diabetes, normal blood sugar levels are: between 4 and to 6 mmol/L before meals.

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What food can lower blood sugar quickly?

So, what foods help lower blood sugar?
  • Oats.
  • Beans and lentils.
  • Salmon and other fatty fish.
  • Eggs.
  • Nuts and nut butters.
  • Seeds and seed butters.
  • Unsweetened yogurt and kefir.
  • Fermented vegetables.

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What drinks bring blood sugar down?

7 Drinks That Keep Blood Sugar Low
  • Water. You can never go wrong with drinking water — it does make up about 60 percent of the human body. ...
  • Unsweetened tea. ...
  • Coffee. ...
  • Plant-based milk. ...
  • Whole-fruit smoothies. ...
  • Flavored carbonated water. ...
  • Any low-sugar beverages.

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What is normal blood sugar by age?

From 90 to 130 mg/dL (5.0 to 7.2 mmol/L) for adults. From 90 to 130 mg/dL (5.0 to 7.2 mmol/L) for children, 13 to 19 years old. From 90 to 180 mg/dL (5.0 to 10.0 mmol/L) for children, 6 to 12 years old. From 100 to 180 mg/dL (5.5 to 10.0 mmol/L) for children under 6 years old.

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What is borderline diabetes?

What Is Prediabetes? Prediabetes is a serious health condition where blood sugar levels are higher than normal, but not high enough yet to be diagnosed as type 2 diabetes. Approximately 96 million American adults—more than 1 in 3—have prediabetes. Of those with prediabetes, more than 80% don't know they have it.

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How do I know I am pre diabetic?

Symptoms
  • Increased thirst.
  • Frequent urination.
  • Increased hunger.
  • Fatigue.
  • Blurred vision.
  • Numbness or tingling in the feet or hands.
  • Frequent infections.
  • Slow-healing sores.

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What should my blood sugar be in the morning?

What should your blood sugar be when you wake up? Whenever possible, aim to keep your glucose levels in range between 70 and 130 mg/dL in the morning before you eat breakfast, and between 70 and 180 mg/dL at other times.

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Is 3.2 a low blood sugar level?

What is Low Blood Sugar? Low blood sugar is called hypoglycemia. A blood sugar level below 70 mg/dL (3.9 mmol/L) is low and can harm you. A blood sugar level below 54 mg/dL (3.0 mmol/L) is a cause for immediate action.

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Why do I get shaky after eating?

Feeling shaky after eating may be a sign of idiopathic postprandial syndrome, along with other symptoms like chills, sweating, and lightheadedness. It might also be a symptom of postprandial reactive hypoglycemia, which occurs when you experience low blood sugar levels 2 to 5 hours after eating.

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