One of the most common intestinal parasites in the United States, Giardia, can cause the stool to appear yellow—and have a soft or liquid consistency—because it causes the food to move quickly ...

Discover the top common causes of yellow poop, including health conditions and dietary changes, according to a ...

Even if a tapeworm is not yet visible, a doctor can check stool samples for parts of larvae or eggs. From there, medication will clear up the parasite. “Sometimes the tapeworm will exit your ...