Excessive Gas: When to Get Checked and Which Results to Watch

Learn when excessive gas might signal a health issue, which lab results are relevant, and when to consult a doctor.

Sep 17, 2026 2 min read

Experiencing excessive gas can be uncomfortable and sometimes embarrassing, but it's a common issue that many people face. Gas is a natural part of digestion and typically isn't a cause for concern. However, if you're experiencing persistent or severe symptoms, it might be time to consider what your body is trying to tell you.

What is Excessive Gas?

Excessive gas refers to an increased amount of gas in the digestive tract, leading to frequent burping or flatulence. Gas is produced when bacteria in the colon ferment carbohydrates that aren't fully digested in your small intestine. Everyone produces gas, but if you find yourself passing gas more than 20 times a day, it may be considered excessive.

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Why Excessive Gas Matters

While gas is a normal byproduct of digestion, excessive amounts can indicate an underlying digestive issue. Conditions such as irritable bowel syndrome (IBS), lactose intolerance, or small intestinal bacterial overgrowth (SIBO) can cause increased gas production. Monitoring your symptoms can help determine if there's a pattern or specific trigger, like certain foods or stress.

If you're experiencing excessive gas, your doctor might recommend tests to identify potential causes. Relevant lab markers include:

  • Lactose Tolerance Test: This test can help diagnose lactose intolerance, a condition where the body can't digest lactose, leading to gas and bloating.
  • Hydrogen Breath Test: Used to detect lactose intolerance or SIBO, this test measures hydrogen levels in your breath, which increase when undigested carbohydrates are fermented by bacteria.
  • Stool Test: A stool test can help identify infections, inflammation, or malabsorption issues that might be causing excessive gas.

When to See a Doctor

Most of the time, excessive gas is not a serious health issue. However, you should see a doctor if you experience:

These symptoms may indicate a more serious condition that requires medical attention.

Frequently Asked Questions

What foods commonly cause gas? Foods high in fiber, such as beans, broccoli, and whole grains, can cause gas. Carbonated drinks and certain artificial sweeteners may also contribute.

Can stress cause excessive gas? Yes, stress can impact digestion and lead to increased gas production. Managing stress through relaxation techniques might help reduce symptoms.

Is it normal to have gas every day? Yes, it's normal to pass gas daily. Most people pass gas 13 to 21 times a day. If it's more frequent and bothersome, consider dietary changes or consult a doctor.

When to Consult a Doctor

If lifestyle changes don't alleviate your symptoms, or if you experience any alarming symptoms like severe pain or blood in your stool, it's important to consult a doctor. They can help determine if further testing or treatment is needed.

Remember, this information is for educational purposes only. Always discuss your symptoms and test results with your healthcare provider.

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