If you notice blood in your stool, it may have originated from anywhere in the gastrointestinal tract, most often in the colon, rectum, or anus. The color of the blood may indicate the possible origin of the bleeding. Lesions close to the anus leak bright blood. The upper parts of the large intestine cause dark red or maroon blood. Bleeding from the stomach produces black and tarry stools called melena. If blood loss is severe, it may occur with the additional symptoms of weakness, dizziness, low ... [Read More]
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