Flatulence

What Causes Flatulence?

Flatulence can have various causes, ranging in severity from 'minor' to 'generally fatal'.  Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.

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Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms.  In order to diagnose flatulence, we could:

  • Research the topic
  • Find a doctor with the time
  • Use a diagnostic computer system.
The process is the same, whichever method is used.

Step 1: List all Possible Causes

We begin by identifying the disease conditions which have "flatulence" as a symptom.  Here are eight of many possibilities (more below):
  • Ovarian Cancer
  • Giardia
  • Blastocystosis
  • Low Digestive Enzymes
  • Crohn's Disease
  • Food Allergies
  • Gallbladder Disease
  • Gluten Sensitivity

Step 2: Build a Symptom Checklist

We then identify all possible symptoms and risk factors of each possible cause, and check the ones that apply:
premenstrual abdominal bloating
meals worsen top-right abdomen pain
above average sneezing frequency
frequent meal-related bloating
eczema
chronic productive cough
having watery stools
joint pain/swelling/stiffness
coffee consumption
fatigue after slight exertion
severe hypogastric pain
very great unexplained weight loss
... and more than 130 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of flatulence:
Cause Probability Status
Gluten Sensitivity 90% Confirm
Giardia 27% Unlikely
Ovarian Cancer 18% Unlikely
Crohn's Disease 3% Ruled out
Low Digestive Enzymes 0% Ruled out
Blastocystosis 0% Ruled out
Food Allergies 0% Ruled out
Gallbladder Disease 0% Ruled out
* This is a simple example to illustrate the process

Arriving at a Correct Diagnosis

The Analyst™ is our online diagnosis tool that learns all about you through a straightforward process of multi-level questioning, providing diagnosis at the end.

In the Gastrointestinal Symptoms section of the questionnaire, The Analyst™ will ask the following question about flatulence:
Do you suffer from excess lower bowel gas (flatulence)? The average adult passes gas ("farts") 8 to 20 times a day, but this depends on various factors. Try to compare yourself to others with similar diet and eating habits.
Possible responses:
→ No / average / only after overeating / don't know
→ Yes, but it is probably due to my diet
→ Somewhat more than most people
→ Very much more than most people
Based on your response to this question, which may indicate flatulence, excessive flatulence or severe flatulence, The Analyst™ will consider possibilities such as:
Gallbladder Disease

Persistent and severe flatulence may be a symptom of gallbladder problems.

Lactose Intolerance

"Lactose malabsorption and lactase deficiency are chronic organic pathologic conditions characterized by abdominal pain and distention, flatulence, and the passage of loose, watery stools.  Once correct diagnosis is established, introduction of a lactose-free dietary regime relieves symptoms in most patients... who remain largely unaware of the relationship between food intake and symptoms." [Journal of Clinical Gastroenterology, 1999 Apr, 28:3]

Stress

Gas can be caused by stress and the nervous habit of frequent swallowing.

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