Rotten egg burps can have various causes, ranging in severity from 'worrying' to 'serious'. 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 rotten egg burps, we could:
|Gluten Sensitivity||1%||Ruled out|
|Helicobacter Pylori Infection||1%||Ruled out|
Do you ever suffer from very foul burps that can best be described as having a 'rotten egg' or 'sulfur' smell/taste?
Possible responses:→ No / rarely / don't know
→ Yes, but only if I eat too much
→ Yes, a few times a year even if I don't overeat
→ Yes, a few times a month even if I don't overeat
→ Yes, frequently even if I don't overeat
Recurrent "rotten-egg" burps accompanied by diarrhea could be a sign of Giardia lamblia infection.