Medically reviewed by Robert Burakoff, MD Intestinal worms often lead to gastrointestinal symptoms, like diarrhea, because they live in your digestive tract. Other symptoms, such as a skin rash or ...

Intestinal worms are organisms that feed off the human body. Tapeworm, hookworm, pinworm, and other types of worms enter the body and affect it in different ways. A person may notice worms in stool.