Why yellow diarrhea? narcotic withdrawal. it's bright yellow, very acidic and diarrhea even goes to water consistency. can trigger pancreatitis too.

Diarrhea: Color not worrisome bile imparts color. Narcotic withdrawal can precipitate frequent bowel movements a reversal of of norm while on narcotics. Should return to normal soon. If persistent beyond two or three days should see physician.

See your doctor: This is a problem that requires a face-to-face meeting with your doctor. In that meeting, your doctor will listen to you, perform a throrough examination and possibly order labs or other tests. Based on this information, he/she will be able to tell you what's wrong and what to do about it.