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Is Diabetes to Blame for Your Headache?

healthline.com · 979 words · saved by 1 readers

A common symptom of high or low blood glucose is a headache. While headaches alone aren’t harmful, they’re often regarded as signs of diabetes problems.

Key Takeaways Headaches can signal that your blood sugar (blood glucose) is too high or too low. High blood sugar headaches typically develop over several days, while low blood sugar headaches can occur suddenly. Hyperglycemia (high blood sugar above 100 mg/dL while fasting) may cause moderate to severe headaches along with fatigue, blurry vision, excessive thirst, and frequent urination. If you have low blood sugar (below 70 mg/dL) with a headache, eat 15 to 20 grams of simple carbohydrates, then recheck your glucose in 15 minutes. Talk with a healthcare professional if headaches persist desp

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