Having high blood sugar levels can be discomforting and many people wish to know what they can do to help to bring down high blood glucose levels. Show
We look at some of the options for lowering blood glucose in the short term. High blood sugar is commonly known as hyperglycemia. What are the signs of high blood sugar?The classic symptoms of high blood glucose levels are:
Check your blood sugarIf you take medication that may cause low blood sugar (hypoglycemia), it’s highly advisable to check your blood sugar levels before you try to bring your sugar levels down. This is just in case your blood sugar is normal or low, which can be the case in some situations.
Testing of blood sugar before bringing your levels down is particularly important if you take insulin. When to call for medical adviceIt is important to note that very high blood glucose levels can be dangerous and it is important to be aware of the symptoms and risk factors of the following conditions:
If you are struggling to keep your blood glucose levels under control, speak to your GP or consultant who can advise you or refer you onto a diabetes education course. Correcting high blood sugar levels with insulinIf you take insulin, one way to reduce blood sugar is to inject insulin. However, be careful as insulin can take 4 hours or longer to be fully absorbed, so you need to make sure you take into account how much insulin you may already have in your body that is yet to be absorbed by the blood. Insulin that is yet to be absorbed by the blood is called ‘active insulin’. If you decide to correct with insulin, watch you don’t over correct as this can lead to hypoglycemia and can be dangerous, particularly so before bed. WalkingExercise can help to lower blood sugar and walking is a good way of achieving this. It might make sense that exercising harder would have a better effect on lowering blood sugar therefore but this is not always the case as strenuous exercise can produce a stress response which causes the body to raise blood glucose levels. This response does tend to vary from person. Drinking more waterWhen your blood sugar levels are running high, your body will try to flush excess sugar out of your blood through the urine. As a result, your body will need more fluids to rehydrate itself. Drinking water can help the body with flushing out some of the glucose in the blood. Just a word of caution to be sensible with drinking water; water intoxication (which can result in death) is possible if a number of litres water are drunk in a short space of time. This is rare and quite difficult to manage but it pays to be aware of this. Reflect on the amount of sugar in your dietHyperglycemia occurs when there is too much glucose in the blood.
Therefore, one way of reducing your blood glucose levels is reflecting on where sugar may be consumed in the diet. Think about any refined and processed foods that may be in your diet as these are often high in sugar. This can be achieved through a low carbohydrate diet. Become a member - it's free! 👋 Join for free! Find support, share experiences and get exclusive member cookbooks, giveaways and freebies. Sign up → USED BY 475,000 PEOPLE 🔥 Lose weight with Low Carb Program NHS certified education, meal plans and coaching to lose weight, reduce medications and improve your HbA1c. When you have type 1 or type 2 diabetes, dangerous spikes in blood glucose (severe hyperglycemia) may mean you need to reduce blood sugar levels immediately. If you don't, you could be at risk for potentially life-threatening complications. This article looks at what blood sugar levels are considered dangerous, the symptoms to watch for, the four best ways to quickly lower your blood sugars, and when to contact your healthcare provider—or go to the emergency room. Verywell / Theresa Chiechi How High Is Too High?Any blood glucose level (BGL) above your target range is too high. Your healthcare provider should tell you what your upper limit is, as it may be different for different people. In general, though:
Symptoms HyperglycemiaDKAHHSExtreme thirst✓✓✓Frequent urination ✓✓✓Fatigue✓✓Blurred vision✓✓Deep, rapid breathing✓ Dry mouth, tongue✓Nausea✓✓✓Vomiting✓✓ Fruity-smelling breath✓✓ Flushed face ✓ Headache ✓ Fever✓Seizures✓Confusion✓✓ Coma✓✓Sources: NIH, CDC What to Do About ItYou can lower your blood sugars quickly with:
While that sounds simple, you do need to know some particulars about each of these methods to bring your levels down safely. Take InsulinThe preferred—and quickest—method of treating hyperglycemia is to take rapid-acting insulin such as Humalog, Novolog, or Apidra. If you have type 1 diabetes, you may be able to get a correction dose through your insulin pump, as well. Slow-acting insulin, such as NPH, does not lower blood sugars quickly. It takes several hours to work. Therefore, it's not an appropriate treatment when you urgently need to bring down your BGL. Insulin works by moving glucose from your blood into your cells. There, you either use it for fuel right away or your cells store it for later, when you don't have enough ready energy to meet demands. When the body doesn't have enough insulin (type 1 diabetes) or doesn't use it efficiently (type 2 diabetes), it can lead to short-term symptoms and complications, like DKA and HHS. Be sure you talk to your healthcare provider about how much rapid-acting insulin you should take to bring down dangerously high BGL. Once you've had the shot, you'll want to re-check your levels in 15-30 minutes to see whether they're coming down and how fast. Sometimes, levels will go too low and you'll end up with hypoglycemia (low blood sugar levels). Don't Double-DoseIf your BGL doesn't drop right away, or doesn't come down as fast as you'd like, resist the urge to take more insulin too soon, as it could lead to hypoglycemia. It may start working in 15 minutes, or it may take up to an hour. Types of Insulin and How They Work Intramuscular InjectionsInjecting your insulin directly into a muscle can help your body absorb it more quickly. However, it's also more likely to lead to hypoglycemia, which may become severe. It can also cause a potentially fatal insulin overdose. You should talk to your healthcare team about whether intramuscular injections are a good idea during hyperglycemic episodes. They can also tell you where and how to give yourself this kind of injection. Take Missed MedicationMany people with diabetes take prescription medications other than or along with insulin. These medications help keep your blood sugar within the normal range. Missing a dose of these medications can make your BGL high. If you're surprised by a high reading, check to make sure you took your last dose. Keeping them in a daily pill sorter instead of a bottle makes this simple. However, many diabetes drugs only work if they're taken before you eat. They won't help lower a dangerously high BGL. These include biguanides such as Glucophage (metformin) and alpha-glucosidase inhibitors like Precose (acarbose) and Glyset (miglitol). Diabetes medications that can bring down your BGL quickly include:
An Overview of Oral Diabetes Medication Timing of a Makeup DoseIf you miss a dose of your diabetes medication, take it as soon as you remember. But don't double-up by taking your missed medication too closely to your next scheduled dose. This can cause dangerous side effects. When in doubt, check the medication packaging for guidance, contact your healthcare provider, or talk to a pharmacist. If you miss several doses, contact your practitioner about the best course of action. Treating the Lows of Hypoglycemia
How Untreated Diabetes Affects Your Body ExercisePhysical activity is the fastest way to lower your blood sugar without medication. Exercise lowers insulin resistance and helps your body convert glucose into energy. During muscle contractions, your cells take glucose from your bloodstream and use it for energy. This lowers your blood sugar for 24 hours or more after you exercise. Check Ketones Before ExercisingIf your blood sugar is above 240 mg/dL, check your ketone levels and don't exercise if they're elevated. Exercise can increase ketone levels, which can raise blood sugars and put you more at risk of ketoacidosis. Everyone responds differently to exercise, so there's no perfect formula for how much to exercise to lower your BGL. In general, though:
It's a good idea to do regular blood sugar checks before and after working out. That way, you'll have an idea how your body responds under normal circumstances, and that can help guide your decisions the next time you have a dangerously high BGL. Making a Type 2 Diabetes Exercise Plan Drink WaterWhen you have an episode of severe hyperglycemia, water and other unsweetened fluids can help your kidneys flush out excess sugars through your urine. While it may not be as fast as rapid-acting insulin or exercise, it can help get you to a safe BGL. Staying hydrated may help you prevent hyperglycemic episodes, as well. Most people need about four to six cups of water each day. If you work out frequently or tend to sweat a lot, you may need more. If you take medications that cause fluid retention, you may need less. Ask your healthcare provider about your daily water needs and about how much to drink if you have a spike in blood sugars. How Hyperglycemia Is Treated Causes of Hyperglycemia in Diabetes
When to Get Medical AttentionCall 911 or get to an emergency room if you have:
You should contact your healthcare provider for guidance if you have:
They'll likely want you to make an appointment to go over treatment and lifestyle options for better managing your illness. Blood Ketone Meters: How to Test at Home SummaryAny blood glucose level above your target range is too high. In general, 180 mg/dL is considered dangerously high and you should take steps to bring it down. A BGL of 240 mg/dL puts you at risk for diabetic ketoacidosis. Regular readings of 600 mg/dL or higher could lead to hyperglycemic hyperosmolar syndrome. Both of these conditions can be fatal and require emergency medical treatment. You can lower blood sugars quickly with rapid-acting insulin, taking missed doses of oral medications such as meglitinides or sulfonylureas, exercising, and drinking water. Get emergency medical attention for readings in the danger zone plus high ketone levels, sustained high BGL, or symptoms of DKA or HHS. Contact your healthcare provider if you have consistently high levels, increased thirst, or frequent urination. A Word From VerywellWhen your blood sugars are high enough to lead to DKA or HHS, you likely don't feel good already. Getting a bad glucometer reading can send you into a panic. That makes it difficult to take appropriate measures. Thus, it's important for anyone with diabetes to learn how to handle very high levels before they occur. Be sure to talk about this possibility with your endocrinologist or diabetic educator. Because you may become confused or unconscious from severe hyperglycemia, it's important to educate the people close to you, as well. Types of Glucometers and How to Choose the Best One Frequently Asked Questions
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