Blood in stool, also known as hematochezia or melena, usually indicates problems in the gastrointestinal tract. It can manifest as bloody streaks or discoloration of the stool into a dark red color.
Main symptoms include blood in the stool, changes in stool color, and anemia due to blood loss.
Causes may include ulcers, polyps, diverticula, inflammatory GI diseases, cancer, and other reasons.
Treatment depends on the underlying cause and may include medication, surgery, and other methods.
Preventive measures include healthy eating, regular physical activity, and cancer screening.
Gastroenterologist specializes in diagnosing and treating GI diseases.