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Published on: 10/31/2025

How can I tell if my lightheadedness while pooping is defecation syncope or something else?

Lightheadedness while pooping might be defecation syncope, which happens when you faint due to changes in blood flow. Other causes could be related to different health issues, so it's important to talk to a doctor if you're worried. See below to understand more.

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Explanation

Defecation syncope is a type of fainting that can happen when you are pooping. It occurs because of changes in blood flow and pressure in your body during bowel movements. According to the medical literature, this condition can have multiple causes, such as a drop in blood pressure or heart rate.

To figure out if your lightheadedness is due to defecation syncope or something else, consider these points:

  1. Symptoms: If you feel lightheaded or dizzy, and it leads to fainting while pooping, it might be defecation syncope.
  2. Triggers: This condition is often triggered by straining or changes in posture during bowel movements.
  3. Other Causes: Lightheadedness can also be due to dehydration, low blood sugar, or other medical conditions.

If you experience these symptoms, it's a good idea to talk to a doctor. They can help determine the cause and suggest ways to manage or treat it. Remember, it's important to address any concerns with a healthcare professional.

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