How do beta-blockers mask hypoglycemia?
Beta-blockers can mask the symptoms of hypoglycemia, such as a rapid heartbeat and tremor because they block the effects of norepinephrine, which results in a slowing of your heart rate and a reduced tremor. Hunger, irritability, and confusion may be concealed as well. However, sweating remains unmasked and it may be the only recognizable sign of hypoglycemia in people treated with beta-blockers.
People taking beta-blockers who have diabetes may no longer be able to rely on symptoms to tell them that their blood sugars are low. Instead, they should check their blood sugar levels frequently and eat consistently, especially if they’re prone to low blood sugar.
References
- Vue M, Setter S. Drug-Induced Glucose Alterations Part 1: Drug-Induced Hypoglycemia. Diabetes Spectrum Aug 2011, 24 (3) 171-177; DOI: 10.2337/diaspect.24.3.171
Read next
What is the safest diabetes medication?
Most experts consider metformin to be the safest medicine for type 2 diabetes because it has been used for many decades, is effective, affordable, and safe. Metformin is recommended as a first-line treatment for type 2 diabetes by the American Diabetes Association (ADA). Continue reading
What foods should I eat or avoid for hypoglycemia?
If you have diabetes, then you will know that certain foods can significantly affect your blood sugar levels. There is no one-size-fits-all meal plan for people with diabetes, but it can be confusing knowing what you can and can’t eat. Some examples of nutritionally high dinners suitable for people at risk of hypoglycemia include: soup, such as lentil and quinoa; grilled fish with broccoli, peas, and sweet potato; broccoli salad with artichokes, black beans, and sun-dried tomatoes; chicken vege stir fry with zucchini, carrots, and broccoli; and vegetarian lentil tacos. Continue reading
Can you have hypoglycemia without diabetes?
Yes, people without diabetes can have hypoglycemia, also called low blood sugar, but it is not very common. Hypoglycemia occurs most frequently in people with diabetes. Continue reading
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