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WebMD Symptom Checker

Black (tar) colored stools, Foul smelling stools and Thin (pencil) stools

WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms black (tar) colored stools, foul smelling stools and thin (pencil) stools including Gastrointestinal bleeding, Colon cancer, and Peptic ulcer.

There are 23 conditions associated with black (tar) colored stools, foul smelling stools and thin (pencil) stools. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.