What Can Cause Low Blood Sugar Levels
Some things that can make low blood sugar levels more likely are:
- skipping meals and snacks
- not eating enough food during a meal or snack
- exercising longer or harder than usual without eating some extra food
- getting too much insulin
- not timing the insulin doses properly with meals, snacks, and exercise
Also, some things may increase how quickly insulin gets absorbed into the bloodstream and can make hypoglycemia more likely. These include:
- taking a hot shower or bath right after having an insulin injection increases blood flow through the blood vessels in the skin, which can make the insulin be absorbed more quickly than usual
- injecting the shot into a muscle instead of the fatty layer under the skin
- injecting the insulin into a part of the body used a lot in a particular sport .
All of these situations increase the chances that a person may get hypoglycemia.
Severe Low Blood Sugar
As your low blood sugar gets worse, you may experience more serious symptoms, including:
- Having difficulty walking or seeing clearly.
- Acting strange or feeling confused.
- Having seizures.
Severe low blood sugar is below 54 mg/dL. Blood sugar this low may make you faint . Often, youll need someone to help you treat severe low blood sugar.
People with diabetes may experience low blood sugar as often as once or twice a week, even when managing their blood sugar closely. Knowing how to identify and treat it is important for your health. Learn how to treat low blood sugar.
Avoid Blood Sugar Dropping Rapidly
Keep testing, testing, testing . To be aware of the state of your blood sugar levels, its necessary to check what your blood sugar levels are. Only then can you take steps to stop low blood sugar.
And those variable factors that play a role in hypoglycemia can be tracked with the assistance of Hedia and its diabetes tracker.
Perhaps most importantly in this case, Hedia has an idea of the active insulin in your body. This makes all subsequent calculations for avoiding hypoglycemia more accurate.
The reason for low blood sugar insulin may be basic, but controlling it often is not. Let Hedia take care of that by downloading the app from or the App Store!
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What If I Have Severe Low Blood Glucose And Cant Treat Myself
Glucagona hormone that raises blood glucose levelsis the best way to treat severely low blood glucose. Available as an injection or a nasal spray, glucagon will quickly raise your blood glucose level. Your doctor can prescribe you a glucagon kit for use in case of an emergency.
If your blood glucose level drops very low, you wont be able to treat it by yourself. Be prepared to address severely low blood glucose by
- talking with your doctor or health care team about when and how to use a glucagon emergency kit. If you have an emergency kit, regularly check the date on the package to make sure it hasnt expired.
- teaching your family, friends, and coworkers when and how to give you glucagon. Tell them to call 911 right away after giving you glucagon or if you dont have a glucagon emergency kit with you.
- wearing a medical alert identification bracelet or pendant. A medical alert ID tells other people that you have diabetes and need care right away. Getting prompt care can help prevent the serious problems that low blood glucose levels can cause.
What Are The Symptoms Of Low Blood Sugar
It’s important to recognize the signs and symptoms of blood sugar dropping quickly.
These symptoms could include:
- An accelerated heartbeat
When someone experiences a low blood sugar , their brain tells their body they need to eat. The tendency to eat until we feel well may fix the low blood sugar, but it may also be too much of a sugar intake that will require additional insulin later. This is why its important to be aware of carbohydrate intake.
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How Can I Prevent Low Blood Sugar
Your best bet is to practice good diabetes management and learn to detect hypoglycemia so you can treat it earlybefore it gets worse.
Monitoring blood sugar, with either a meter or a CGM, is the tried and true method for preventing hypoglycemia. Studies consistently show that the more a person checks blood sugar, the lower his or her risk of hypoglycemia. This is because you can see when blood sugar levels are dropping and can treat it before it gets too low.
If you can, check often!
- Check before and after meals.
- Check before and after exercise .
- Check before bed.
- After intense exercise, also check in the middle of the night.
- Check more if things around you change such as, a new insulin routine, a different work schedule, an increase in physical activity, or travel across time zones.
Nighttime Low Blood Sugars
You may experience a low blood sugar night. The low blood sugar might wake you up and your symptoms might be similar to those you have during the day. However, the symptoms may be different. You might have nightmares, sleep poorly, perspire, or feel hot and cold. In the morning you may have a headache, feel nauseated, or feel confused. Notify your doctor if this happens. Check your blood sugar at the time you have the symptoms.
Treatment for a low blood sugar that occurs at night is the same as described earlier.
Your doctor may request that you check a 3:00 a.m. blood sugar 1 to 2 times per week in order to detect any low blood sugars during the night.
Disclaimer: This content is reviewed periodically and is subject to change as new health information becomes available. The information provided is intended to be informative and educational and is not a replacement for professional medical evaluation, advice, diagnosis or treatment by a health care professional.
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The Effects Of Protein And Fat
The rate at which food leaves your stomach, called gastric emptying, affects the amount of sugar in your blood after you eat. Protein and fat both slow down gastric emptying, which helps keep blood sugar lower shortly after a meal. In a study published in 2016 in the journal Diabetologica, people who ate high protein-foods before eating carbohydrates , experienced a rise in glucagon, which is thought to play a role in slowing down gastric emptying.
Plus, says Palinski-Wade, if youre eating a meal that has a large amount of fat or protein, the fat, the protein or the fiber will slow down the absorption and conversion of the sugar, so the peak might be a bit delayed. She suggests eating carbs with at least one good source of fiber, protein or fat. Not only is it going to help with the release of blood sugar, she says, but its also going to help keep you more satisfied.
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What Causes Low Blood Glucose
- Symptoms occur when blood glucose levels fall below 70 mg/dl a condition known as hypoglycemia.
- In most cases, low blood glucose results from overtreatment: Either taking too much diabetes medication or not eating enough food. Higher doses of medicine than the person actually requires can also lead to hypoglycemia.
- People who aim for too-low values on their A1C test tend to experience more frequent drops in blood glucose.
- Vigorous exercise doesnt just burn calories, it also burns blood glucose! Hypoglycemia can occur unless blood glucose levels are carefully monitored during and after exercise.
- Not eating on a regular basis can deprive the body of glucose and make it difficult to prevent hypoglycemia. Eat balanced meals throughout the day and always keep a snack on hand.
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How Do I Prevent Hyperglycemia
- Exercise to help lower blood sugar. Work with your healthcare provider to make a daily activity plan.
- Follow your meal plan if you have one. Learn how carbohydrates impact your blood sugar, and work with your diabetes care team to find the best meal plan for you.
- Maintain a healthy weight.
- Limit drinking alcohol. Alcohol can raise blood sugar levels, but can also cause dangerously low blood sugar levels. Work with your provider to determine how much is safe to drink.
Last reviewed by a Cleveland Clinic medical professional on 02/11/2020.
Treating Low Blood Glucose If You Take Medicines That Slow Down Digestion
Some diabetes medicines slow down the digestion of carbohydrates to keep blood glucose levels from rising too high after you eat. If you develop low blood glucose while taking these medicines, you will need to take glucose tablets or glucose gel right away. Eating or drinking other sources of carbohydrates wont raise your blood glucose level quickly enough.
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Are There Any Newer Technologies To Prevent Hypoglycemia
We are lucky that in this day and age, we can predict hypoglycemia and prevent it through technology like continuous glucose monitors, explains Dr. Shah. Additionally, he notes that there are newer insulins available to help decrease episodes of hypoglycemia.
One of our roles as your doctor is to educate every patient about the self-management of diabetes and to create a personalized care plan, explains Dr. Shah. By self-managing your condition you will really feel empowered enough to take control of your health.
What Are The Symptoms Of Hyperglycemia
Its especially important to know the early signs of hyperglycemia if you have type 1 diabetes. If hyperglycemia is left untreated in people with type 1 diabetes, it can develop into ketoacidosis, where ketones, which are toxic acids, build up in the blood. This condition is an emergency situation that can lead to coma or death.
Early symptoms of hyperglycemia include:
- High blood sugar.
- Unusual fruity smell on the breath.
- Deep labored breathing or hyperventilation.
- Rapid heartbeat.
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What Are Risk Factors For Hyperglycemia
Major risk factors for hyperglycemia are:
- You have a family history of type 2 diabetes.
- You are African American, Native American, Hispanic or Asian American.
- You are overweight.
- You have high blood pressure or cholesterol.
- You have polycystic ovarian syndrome .
- You have a history of gestational diabetes.
Your Hypoglycemia Action Plan
If you experience symptoms of hypoglycemia, its important to take action. Start with these steps:
Test your blood sugar. If you recognize any of these symptoms and believe your blood sugar may be too low, the first step you should take is to test your blood sugar with your glucose meter, Tan says. Anything less than 70 milligrams per deciliter is considered low blood sugar, according to the National Library of Medicine . However, target levels are often individualized, so talk with your healthcare provider about your optimal numbers, Tan adds.
Eat or drink fast-acting carbs. If you have low blood sugar, you need to take action right away. Your best bet is to consume about 15 grams of carbohydrates, the NLM says. Some options include:
- ½ cup or 4 ounces of orange juice
- ½ cup or 4 ounces of regular soda
- 1 tablespoon of sugar dissolved in water
- 1 tablespoon of honey or maple syrup
- 5 or 6 hard candies, jelly beans, or gumdrops
- 1 tablespoon of cake frosting
- 2 tablespoons of raisins
- ½ cup of applesauce
You can also take three to four glucose tablets or a tube of glucose gel. Everyone who takes medications for diabetes should always have glucose tablets with them, Galindo urges.
Wait, then retest. The next step is to wait 15 minutes, then test your blood sugar again. If blood sugar has reached 100 mg/dl or greater, youre fine. If not…
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What Is Low Blood Glucose
Low blood glucose, also called low blood sugar or hypoglycemia, occurs when the level of glucose in your blood drops below what is healthy for you. For many people with diabetes, this means a blood glucose reading lower than 70 milligrams per deciliter .1 Your number might be different, so check with your doctor or health care team to find out what blood glucose level is low for you.
Why Am I Having Lows
If you are experiencing low blood glucose and youre not sure why, bring a record of blood glucose, insulin, exercise, and food data to a health care provider. Together, you can review all your data to figure out the cause of the lows.
The more information you can give your health care provider, the better they can work with you to understand what’s causing the lows. Your provider may be able to help prevent low blood glucose by adjusting the timing of insulin dosing, exercise, and meals or snacks. Changing insulin doses or the types of food you eat may also do the trick.
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How Do I Measure Blood Sugar
If you have diabetes, you probably already keep a watchful eye on your blood sugar through the use of a continuous glucose monitor or a blood sugar meter . Blood sugar measurement is also typically included in routine lab work for people without diabetes — your physician will usually order a glycated hemoglobin test, which measures your average blood sugar over the past two to three months.
Say your A1C test comes back with no sign of diabetes — constantly measuring your blood sugar can still be helpful. For instance, some people experiment with using a CGM to see how their body responds to different types of food. However, it’s good to note that this is a fairly cost-intensive way of figuring out your nutrition, and writing down a food diary that includes how you felt after each meal will also help you figure out what to eat.
Check out these blood sugar monitors if you’re looking for recommendations on how to keep track of your levels at home.
Preventing A Low Blood Sugar Level
If you have diabetes, you can reduce your chance of getting a low blood sugar level if you:
- Check your blood sugar level regularly and be aware of the symptoms of a low blood sugar level so you can treat it quickly.
- Always carry a sugary snack or drink with you, such as glucose tablets, a carton of fruit juice or some sweets. If you have a glucagon injection kit, always keep it with you.
- Do not skip meals.
- Be careful when drinking alcohol. Do not drink large amounts, check your blood sugar level regularly, and eat a carbohydrate snack afterwards.
- Be careful when exercising eating a carbohydrate snack before exercise can help to reduce the risk of a hypo. If you take some types of diabetes medicine, your doctor may recommend you take a lower dose before or after doing intense exercise.
- Have a carbohydrate snack, such as toast, if your blood sugar level drops too low while youâre asleep
If you keep getting a low blood sugar level, talk to your diabetes care team about things you can do to help prevent it.
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What Should My Blood Sugar Levels Be
Your blood sugar level changes depending on what you’ve eaten, whether you’ve exercised and other factors but we have some general guidelines to determine what levels are healthy.
For generally healthy individuals who haven’t eaten for eight hours or more, a normal blood sugar level is between 70-99 mg/dL. When you’ve eaten in the past two hours, it should be no higher than 140 mg/dL. To refresh your chemistry knowledge, that unit is milligrams per deciliter and it’s measuring the amount of glucose present in your blood.
Only a medical professional can diagnose diabetes or another issue with your blood sugar, so if you’re concerned about your blood sugar levels, check with a doctor.
What Are The Signs And Symptoms Of Hypoglycemia
Hypoglycemia tends to present as a cluster of symptoms, and they often occur together. The most common signs of dangerously low blood sugar include:
Dizziness, disorientation, light-headedness, and an inability to think clearly
Hunger, especially if youve just eaten
Heightened irritability, confusion, and anxiety
Clamminess and sweating, with cold hands and feet
Drastic mood swings
If you have one or more of these symptoms contact your doctor.
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How Is Hypoglycemia Diagnosed
If you suspect you have low blood sugar, its important to check your blood sugar right away. If you dont have a blood glucose meter and youre on diabetes medications that increase insulin, talk with your doctor about getting a meter.
If you experience low blood sugar often say, a few times a week see your doctor right away to find out why. Your doctor will begin your visit by requesting your medical history, asking questions about your eating habits, and learning more about the symptoms youre experiencing.
If you dont have diabetes but suspect you have hypoglycemia, talk with your doctor about your symptoms. Your doctor will use three criteria, sometimes referred to as Whipples triad, to diagnose low blood sugar:
- Signs and symptoms of low blood sugar. Your doctor may require you to fast, or abstain from drinking and eating for an extended period of time, so they can observe your low blood sugar signs and symptoms.
- Documentation of low blood sugar when your signs and symptoms occur. Your doctor will order a blood test to analyze your blood sugar levels in a laboratory.
- Disappearance of the signs and symptoms of low blood sugar. Your doctor will want to know whether the signs and symptoms go away when your blood sugar levels are raised.