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What Does a Blood Sugar Crash Feel Like?

04 Sep 2025 by Atul Jain, M.D., M.S.

What Does a Blood Sugar Crash Feel Like?

A blood sugar crash, also known as hypoglycemia, can be a terrifying and disorienting experience. It's essential to recognize the warning signs and understand how to manage a crash to prevent serious complications. Foods That Help Lower Blood Sugar Immediately

Understanding the Causes of a Blood Sugar Crash

A blood sugar crash occurs when your body's glucose levels drop below a normal range, typically below 70 mg/dL. There are several factors that can contribute to a crash, including:

  • Skipping or delaying meals
  • Taking too much medication
  • Exercising too vigorously without eating enough
  • Drinking too much alcohol
  • Having an underlying medical condition, such as diabetes or adrenal insufficiency

Recognizing the Warning Signs

The symptoms of a blood sugar crash can range from mild to severe and may include:

  • Shakiness or tremors
  • Sweating
  • Confusion or disorientation
  • Headaches
  • Nausea or vomiting
  • Dizziness or lightheadedness
  • Fatigue or weakness
  • Confusion or difficulty concentrating

Managing a Blood Sugar Crash

If you suspect you are experiencing a blood sugar crash, it's crucial to take action immediately. Here are some steps you can take:

  • Eat or drink something that contains sugar, such as fruit or a glucose tablet
  • Monitor your blood sugar levels closely
  • Stay hydrated by drinking water or other fluids
  • Rest and avoid strenuous activity

Preventing Blood Sugar Crashes

While it's impossible to completely prevent blood sugar crashes, there are steps you can take to reduce your risk: Hyperglycemia Vs Hypoglycemia Taming High And Low Blood Sugar

  • Eat regular, balanced meals
  • Monitor your blood sugar levels closely
  • Take your medication as prescribed
  • Exercise regularly, but avoid vigorous exercise on an empty stomach
  • Stay hydrated by drinking plenty of water

Seeking Medical Help

If you experience a blood sugar crash, it's essential to seek medical help immediately. A severe crash can cause serious complications, including seizures, unconsciousness, and even death. By understanding what a blood sugar crash feels like and taking action to manage it, you can reduce your risk of complications and maintain good health. Decoding Your Blood Sugar Levels Fasting Postprandial And A1C

References and Further Reading