Can Non Diabetics Have Low Blood Sugar

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Hypoglycemia, also known as low blood sugar, is when blood sugar decreases to below normal levels.[1] This may result in a variety of symptoms including clumsiness, trouble talking, confusion, loss of consciousness, seizures, or death.[1] A feeling of hunger, sweating, shakiness, and weakness may also be present.[1] Symptoms typically come on quickly.[1] The most common cause of hypoglycemia is medications used to treat diabetes mellitus such as insulin and sulfonylureas.[2][3] Risk is greater in diabetics who have eaten less than usual, exercised more than usual, or have drunk alcohol.[1] Other causes of hypoglycemia include kidney failure, certain tumors, such as insulinoma, liver disease, hypothyroidism, starvation, inborn error of metabolism, severe infections, reactive hypoglycemia, and a number of drugs including alcohol.[1][3] Low blood sugar may occur in otherwise healthy babies who have not eaten for a few hours.[4] The glucose level that defines hypoglycemia is variable.[1] In people with diabetes levels below 3.9 mmol/L (70 mg/dL) is diagnostic.[1] In adults without diabetes, symptoms related to low blood sugar, low blood sugar at the time of symptoms, and improvement wh Continue reading >>

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  1. snusnuMV

    What is normal for a non-diabetic?

    For fun, I decided to test my non-diabetic boyfriend's blood sugar. He's usually in the low 80s, but tonight I tested him at 54 mg/dL. He had dinner about two hours before I tested him, but his dinner was very small and contained virtually no carbohydrates. I know that non-diabetics can go into the "hypo" range all the time and not necessarily feel any symptoms, but how low is too low? He only complained of being very hungry. He wasn't shaky or dizzy. He did seem a little tired, but it was late. So, I'm just wondering if this number is concerning. He was a 67 mg/dL two days ago.

  2. bluecanary81

    As long as he's not symptomatic, I wouldn't worry too much about it. Mention it at his next doctor's appointment (if he even has a doctor) and they might want to do some fasting labs on him to get a baseline. Even non-diabetics go a little low sometimes, but they are better able to rebound from it from the release of glycogen by the liver.
    I would say too low for a non-diabetic would be symptomatically low.

  3. snusnuMV

    Thanks. I thought so. He was a little cranky, too, but that's typical. I am trying to get him into the doctor for blood work because I suspect his cholesterol is high, and I'll make sure his doctor tests his fasting BG, too.

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