Diarrhea is the passage of three or more loose or watery stools per day. It often is caused by an infection of the intestines, known as gastroenteritis, or the "stomach flu." When a person loses ...
The diagnosis of giardiasis can be confirmed by inspecting a stool sample for the presence of the parasite ... Cryptosporidium: Cryptosporidium is a protozoan that causes a diarrheal illness similar ...