Diarrhea

Diarrhea is a condition in which a person has a constant uncontrollable urge to defecate.

Empath: The Luckiest Smurf stories
In the EMPATH: The Luckiest Smurf story series, diarrhea is a problem that the Smurfs occasionally have, particularly when it comes to eating certain foods, or foods that are not meant for Smurfs to ingest, such as glowberries.