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  1. www.medicalnewstoday.com › articles › 320464Sugar headache: Causes, conditions, and prevention

    Jun 15, 2020 · A person may get a headache from a rapid change in blood glucose levels. Both too much and too little sugar can cause a headache. Consuming too much sugar or refined carbohydrates can lead to high ...

  2. www.livestrong.com › article › 116901-sugar-causingWhy Too Much Sugar Can Trigger a Headache | livestrong

    Nov 13, 2019 · It's true that sugar can cause headaches, but the actual cause of a sugar headache is not too much sugar — it's not enough sugar, essentially a crash of your blood sugar level. Simply put, your brain needs a constant supply of sugar for energy, and you can get a headache if the level falls too low, known as hypoglycemia. Video of the Day.

    • Chris Iliades

  3. www.healthline.com › health › headacheSugar Headache: Can Sugar Trigger or Treat a ... - Healthline

    Oct 17, 2022 · Fluctuations in your glucose level affect your brain more than any other organ. These rises and drops can result in a headache. Having high blood sugar can lead to a headache. In addition, low ...

    • Natalie Silver

  4. greatist.com › health › sugar-headacheSugar Headaches: Causes, Migraine, Treatment, and Prevention

    Feb 14, 2022 · Sugar headaches are mostly considered secondary headaches. Secondary headaches happen because of an indirect cause like blood sugar fluctuations, fever, stress, or high blood pressure. 1. Too much ...

  5. www.verywellhealth.com › headache-after-eatingCan I Get a Headache After Eating Sugar or Fasting from Sugar?

    Dec 6, 2023 · Reactive Hypoglycemia. Hyperglycemia. Sugar Rush. Sugar Withdrawal. A sugar headache can occur when blood sugar is too high, like after overeating candy. When your blood sugar levels are high, hormones in your body can cause blood vessels to widen, causing migraine headache pain. Similarly, too-low blood sugar —which can occur when skipping ...

    • Angelica Bottaro

  6. www.healthline.com › health › headache-after-eatingHeadaches After Eating: Causes and Treatments - Healthline

    Apr 23, 2019 · Also called reactive hypoglycemia, this condition is characterized by a headache within 4 hours after eating. It’s triggered by a drop in blood sugar levels. Some causes include: diabetes ...

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  8. www.businessinsider.com › guides › healthSugar can cause headaches, and it's more likely if you have ...

    Sep 30, 2020 · In fact, your sugar consumption may be an important factor, especially if you have diabetes, as abnormal blood sugar levels are known to trigger headaches. Advertisement. Eating too much or too ...