Mucus In Stools

What Causes Mucus In Stools?

Mucus in stools can have various causes, ranging in severity from 'worrying' to 'very serious'.  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 mucus in stools, 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 "mucus in stools" as a symptom.  Here are four possibilities:
  • Ulcerative Colitis
  • Candida / Yeast
  • Crohn's Disease
  • Irritable Bowel Syndrome

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:
major left iliac pain after meals
significant left iliac pain
history of non-vaginal candidiasis
mild abdominal discomfort
elevated basophil count
elevated ESR
current birth control pill use
moderate left iliac pain
meal-related bloating
bloating caused by many foods
having asthma
diarrhea for 1-3 months
... and more than 80 others

Step 3: Rule Out or Confirm each Possible Cause

A differential diagnosis of your symptoms and risk factors finds the likely cause of mucus in stools:
Cause Probability Status
Crohn's Disease 92% Confirm
Ulcerative Colitis 25% Unlikely
Irritable Bowel Syndrome 2% Ruled out
Candida / Yeast 2% 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.

If you indicate irregular stools, The Analyst™ will ask further questions including this one:
Do you see mucus in your stools?
Possible responses:
→ Never / rarely / don't know
→ Occasionally
→ Often
Based on your response to this question, which may indicate either occasional mucus in stools or frequent mucus in stools, The Analyst™ will consider possibilities such as:
Ulcerative Colitis

If the disease is limited to the rectosigmoidal area then stools may be normal or dry although there can also be constipation.  Rectal mucous, which can be high in red and white blood cells, accompanies stools or occurs between bowel movements.

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