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Low Blood Glucose (Hypoglycemia)
Less than _______ mg/dL
Too much insulin or diabetes pills
Late/skipped meal or smaller than usual meal
More activity/exercise than usual
Alcohol intake without food
Symptoms (happen quickly)
Shaky, sweaty or clammy
Light-headed, weak, blurry vision
Hungry, irritable, anxious or confused
These are the most common symptoms. Get to know your symptoms and act quickly. If not treated quickly, you may lose consciousness.
Get treatment quickly. Take 15 grams of quick-acting carbohydrate (sugar) if able to swallow safely. Examples:
4 oz. (½ cup) juice or regular (non-diet) soda
Glucose liquid or gel (read label for amount)
4 glucose tablets (chew them)
Soft, chewable candy (amount varies)
Check your blood glucose 15 minutes after treatment. If your glucose is still below 70 mg/dL, repeat treatment.
Glucagon is an option if you cannot swallow safely. Someone else would need to give this to you.
Call 911 if you get more sleepy and less alert or if the glucose levels stay below 70 mg/dL after treatment.
High Blood Glucose (Hyperglycemia)
More than _______ mg/dL
Not enough or missed dose of insulin or diabetes pills
Less activity than usual
Illness (cold, flu, infection)
Pain or injury
Stress (physical or emotional)
Some medicines (such as steroids)
Symptoms (happen over time)
Thirst, frequent urination
Unexplained weight loss
Slow healing or frequent infections
Fatigue or sleepy
These are the most common symptoms. Many people do not have symptoms until glucose levels are very high, but this varies for each person. If not treated, high blood sugars can be life-threatening.
Insulin is often used to treat high blood glucose levels. If you do not use insulin, talk with your health care team about what to do. It is not always best to exercise or to eat less to lower your glucose levels. Discuss this with your health care team. If you are sick, follow sick day guidelines.
Ways to Prevent Hypoglycemia and Hyperglycemia
Know what causes your low and high blood glucose levels and take steps to prevent those causes.
Test your glucose levels as advised by your health care team. Know your target glucose levels.
Keep a log of your results. If you notice patterns of high or low glucose levels, call your doctor or nurse to discuss these trends.
Take your insulin or diabetes pills as prescribed. If you think the doses are a cause of your low or high blood glucose levels, talk with your health care team about making changes.
Learn how your medicines work and when they will affect your blood glucose levels most.
Follow your meal plan. Do not skip meals and avoid overeating.
Check your blood sugar before exercise and before driving. Eat a snack if needed.
Always carry fast-acting carbohydrates with you to treat low blood sugar quickly.
It is important to wear a Medical Alert bracelet or necklace that is easy to see by others. Carry a wallet card that states that you have diabetes. It should include your current list of medicines.