A stool test is a diagnostic procedure that involves analyzing fecal matter, or poop, to check for signs of infection, inflammation, or disease. The specific analysis depends on a person’s symptoms ...

Stool samples can help doctors diagnose some health conditions. Tips for collecting a stool sample include urinating before collecting the sample and using any tools that the sample kit provides.

When David Thau, a lobbyist in Washington, D.C., was 34, he periodically experienced pain in his stomach, irregular bowel movements, blood in his stool and vomiting, and he visited doctors ...