Passing Out Due To Low Blood Sugar – Kelly Wood Medically Reviewed – Rachel Nall, MSN, CRNA – Updated June 30, 2023
If you eat too few carbohydrates or take certain medications, your blood sugar may drop. Treatment may include easily digestible carbohydrates, medications, or, depending on the severity, emergency medical care.
Passing Out Due To Low Blood Sugar
Hypoglycemia (low blood sugar) occurs when blood sugar (glucose) levels fall below the normal range. If your blood sugar gets too low, you may need immediate treatment.
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This article looks at hypoglycemia, its symptoms and treatment, and how to prevent blood sugar from getting too low.
Hypoglycemia occurs when blood sugar levels fall below 70 milligrams per deciliter (mg/dL). Blood sugar is also called blood glucose. If your cells do not receive glucose, your body cannot perform its normal functions.
Even a short-term drop in blood glucose can cause problems. In this case, immediate treatment of low blood sugar can help prevent serious symptoms such as fainting.
If you have this condition, your blood sugar levels may drop without you noticing. If not treated immediately, you may pass out, have seizures, or even go into a coma.
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If you have unknowingly hypoglycemia, you may need to check your blood sugar regularly. Your doctor may recommend a continuous glucose monitor that alerts you to changes in blood sugar levels.
If you have diabetes and have mild to moderate symptoms of hypoglycemia, you should eat or drink 15 grams (g) of easily digestible carbohydrates immediately.
Very low blood sugar is a medical treatment. If you or someone else with diabetes develops serious symptoms such as fainting, it is important to administer a medicine called glucagon and contact your local emergency services immediately.
Never give anything by mouth to an unconscious person, as this can cause suffocation. If you have diabetes, let your family and friends know not to do this if you faint.
What A Low Blood Sugar Feels Like
Low blood sugar can be caused by several reasons. This is usually a side effect of diabetes treatment.
If you have diabetes, treatment can sometimes cause your blood sugar levels to be too low. Hypoglycemia can also occur in the following situations:
If you have untreated diabetes or don’t know you have diabetes, you may have low or high blood sugar. You can help control your blood sugar levels through dietary changes, regular exercise, and, if necessary, medication.
Depending on the composition of the food, the blood sugar level may decrease after eating. Favorable factors may include:
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If you suspect you have low blood sugar, it’s important to check your blood sugar level right away. If you don’t have a blood glucose meter and you’re taking diabetes medications that increase insulin, talk to your doctor about getting one.
If you experience low blood sugar several times a week, contact your doctor immediately to determine the cause. They may begin your visit by taking your medical history, asking questions about your eating habits, and learning about your symptoms.
If you do not have diabetes but suspect you may have hypoglycemia, talk to your doctor about your symptoms. Doctors use three criteria, sometimes called Whipple’s triad, to diagnose low blood sugar:
Over time, your doctor may send you home with a blood glucose meter to monitor your blood sugar levels at home. They may ask you to check your blood sugar at certain times of the day, such as after waking up and after eating.
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To check blood sugar, you need to prick your finger with a lancet (included in the blood glucose test kit). You will take a small blood sample from this on a strip placed in the blood glucose meter.
Before testing your blood sugar at home, it’s important to ask your doctor what a healthy blood sugar range is. The doctor determines this range depending on the following factors:
If you don’t have a blood glucose meter handy and are experiencing symptoms of low blood sugar in diabetes, your symptoms may be enough to diagnose low blood sugar.
Hypoglycemia can be treated by raising blood sugar levels. It is important to treat low blood sugar as soon as possible.
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The American Diabetes Association recommends consuming at least 15g of carbohydrates to keep blood sugar levels up. Options include:
You can also take glucose tablets to quickly raise blood sugar levels if they are low, but it is important to find out how many grams of carbohydrates are in each tablet before taking it.
Wait 15 minutes after eating or taking a glucose tablet and check your blood sugar again. If the blood sugar level does not exceed 70 mg/dL, eat another 15 g of carbohydrates or take another dose of glucose tablets. Repeat this until your blood sugar level starts to rise.
If your blood sugar level does not respond, contact your doctor or emergency services immediately. Symptoms of low blood sugar usually worsen if left untreated and can be life-threatening.
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If you are at risk of low blood sugar, your doctor may recommend a glucagon kit. This drug increases the level of sugar in the blood.
You can also talk to your regulars about how to take care of you if your blood sugar gets too low. This includes:
Wearing a medical identification bracelet ensures that emergency personnel can properly care for you if you need emergency medical care.
If you have diabetes and experience frequent low blood sugar or if you have symptoms but do not have diabetes, you may need to see your doctor.
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People with diabetes often experience a slight drop in blood sugar. However, a sudden drop in blood sugar can be life-threatening. Complications may include:
Avoid driving if you have low blood sugar, as this can increase your risk of an accident.
Checking your blood sugar regularly can help keep it in the target range. If you have had episodes of low blood sugar in the past, you may want to check your blood sugar before driving or operating machinery.
If you know it will be more than 5 hours before your next full meal, or if your blood sugar is below 100 mg/dL, consider eating a snack before you leave home.
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It’s always a good idea to have high-carb snacks on hand in case your blood sugar levels drop while you’re away.
Exercise uses energy, and if you don’t eat enough beforehand, it can cause your blood sugar to drop quickly. Check your blood sugar 1-2 hours before exercise to make sure it’s in your target range.
If you plan to exercise for an hour or more, consume extra carbohydrates during exercise. Sports gels, sports drinks, granola bars, and even candy bars can provide your body with a quick burst of glucose during exercise.
Blood sugar levels can drop for up to 24 hours after moderate to vigorous exercise. Doctors recommend checking your blood sugar immediately after exercise and then every 2-4 hours until you go to sleep. Avoid vigorous exercise before bed.
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If you follow a meal plan or take medication that increases insulin levels, it is important that you follow the plan prescribed by your doctor to prevent low blood sugar.
If you don’t eat the right foods at the right time or take the right medications, your blood sugar can drop. See your doctor regularly so he can adjust your treatment plan if necessary.
I just started a weight loss program and my blood sugar continues to plummet after breakfast. Any advice?
It sounds like you’re having reactive hypoglycemia, or what’s called postprandial low blood sugar, which may be due to a change in diet.
Warning Signs Of Low Blood Sugar
To solve this problem, I recommend regular and frequent meals and snacks every 3-4 hours.
Eating high-fiber carbohydrates is important because they provide the body with the sugar it needs, but they also cause the body to release insulin.
Make sure you add some protein or fat to all meals and snacks. Proteins and fats help slow down the digestion of carbohydrates, which helps control insulin release and allows for slow and steady digestion of carbohydrates.
Answers represent the opinions of our medical professionals. All content is strictly informational and should not be construed as medical advice.
What Causes A ‘healthy’ Person To Faint?
Hypoglycemia is common in people with diabetes. But it can also happen in people without diabetes, usually as a result of medication or a medical condition.
If you experience mild or moderate symptoms, it is important to eat or drink 15g of easily digestible carbohydrates as soon as possible. If your blood sugar gets too low, it can be life-threatening and you will need immediate treatment.
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Common Signs And Symptoms Of Low Blood Pressure
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