Oily stools can have various causes, ranging in severity from 'worrying' to 'needs attention'. Finding the true cause means ruling out or confirming each possibility – in other words, diagnosis.
Diagnosis is usually a complex process due to the sheer number of possible causes and related symptoms. In order to diagnose oily stools, we could:
|Short Bowel Syndrome||1%||Ruled out|
Do you pass stools that are sticky, oily, or greasy but not black?
Possible responses:→ No / don't know
→ Yes, sometimes slightly sticky/oily
→ Yes, often slightly sticky/oily, sometimes very
→ Yes, my stools are usually/always very oily/sticky