Have you ever wondered what can cause low blood sugar? In this article, we will go in-depth on what can cause low blood sugar, what symptoms it will cause, and how it can be prevented.
Low blood sugar, or also known as hypoglycemia, occurs when one’s blood sugar drops below 70 milligrams per deciliter (mg/dL). If this is left untreated it can be life-threatening in some cases. Blood sugar (glucose) is your body’s main source of energy. If that source of energy is too low, your body won’t be able to function properly. Think of driving your car on fumes going uphill, and that will give you a pretty good idea of what we are dealing with.
As someone who has type 1 diabetes and has had to deal with countless low blood sugar events, I can tell you that it is perhaps one of the worst feelings. Luckily, I have not needed to be hospitalized for this, but if you do not treat low blood sugar soon enough it can put you in the hospital.
There are a variety of symptoms related to low blood sugar and knowing these symptoms will help you catch it before it becomes life-threatening. Signs and symptoms may vary depending on how low your blood sugar is. A few of the first signs you may notice of low blood sugar are feeling shaky, dizzy, or sweating. The moment you notice these, check your blood sugar if you have a glucose meter, and proceed with treating it.
You may also begin experiencing sleepiness, anxiety, hunger, pale skin, rapid heartbeat, and crankiness. In some cases, close friends or family may be able to pick up on your symptoms before you do. It is important to become familiar and aware of these symptoms so that you know what it feels like. Driving, operating machinery, or handling other equipment under these conditions can not only be dangerous to yourself but to others.
If blood sugar continues to drop lower, symptoms may include blurred vision, confusion, passing out, and seizures. This can leave you with the inability to treat yourself. At this point, you must rely on someone else to provide treatment, and if the condition is still left untreated, the event could be fatal.
Insulin-dependent diabetics may experience reactive hypoglycemia a lot more. With the more carbohydrates consumed in a meal, the more room there is for error, so it can be fairly easy to misjudge the amount of insulin is needed. Therefore, injecting too much insulin can be a common problem for those that use rapid-acting insulins.
Fasting hypoglycemia is when blood sugar drops due to going a period of time without giving the body the appropriate nutritional intake it needs to produce energy. This could also be caused by strenuous exercise if you haven’t had a meal in a few hours.
Those without a medical condition have the potential to suffer from fasting hypoglycemia, however, it is much more likely to happen to those who are on medication or have an underlying condition that makes it easier for blood sugars to drop.
Excessive alcohol consumption has the potential to impact blood sugars. Your liver, which is responsible for storing glucose, is also responsible for filtering alcohol out of the body. So, when alcohol is consumed, your liver tends to drop what it’s doing and turn its full attention to the alcohol in the body. Therefore, it stops releasing stored glucose even when if your body needs it, in order for it to perform its other responsibility. This results in a potential low blood sugar event. Check out our blog about diabetes and alcohol to learn more.
As mentioned in the above section, when hormones become off-balanced you may have an increased risk of having low blood sugar. These hormones include glucagon, amylin, epinephrine, cortisol, and growth hormone. Talk to your healthcare provider about running test to see if your hormones are in balance.
Kidney disease or kidney failure can lead to hypoglycemia as well. This is due to the kidneys’ lack of ability to excrete medications, such as insulin, out of the body. On top of that, a person’s appetite may decrease, and times of meals may change which can lead to low blood sugar levels.
Symptoms of Low Blood Sugar
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Who is Affected by This?
Those who do not have an illness or problems with hormones could be affected by low blood sugar, but it is unlikely. The majority of people affected are diabetics. Diabetics who are insulin-dependent are at a greater risk than those that have type 2 diabetes and are not using insulin. This is due to the fact that insulin is the main driver for affecting glucose levels. Beyond diabetics, some may have problems with the production of certain hormones from organs. The pituitary glands and adrenal glands are producers of hormones that play a major part in regulating glucose. If these hormones get out of whack, then the result may be low blood sugar. Those that have a critical medical condition may be prone to having their blood sugars drop as well. These illnesses could involve hepatitis or kidney problems that may make it difficult for your body to excrete medications. A tumor of the pancreas may also lead to an overproduction of insulin causing low blood sugar.What Can Cause Low Blood Sugar?
The causes of hypoglycemia will vary depending on the person, which is made evident above. One main cause is called reactive hypoglycemia. Reactive hypoglycemia is a low blood sugar event that occurs after a meal high in carbohydrates. This may be due to the pancreas overproducing insulin. The glucose from the meal is already being digested and absorbed, meanwhile, the pancreas has been working extra hard to produce insulin. Thus, there is an overproduction of insulin resulting in lower than normal blood sugars. This, however, is not the norm unless there is a disorder with the pancreas, such as a tumor.