Some individuals may notice blood in their stool but not experience accompanying gas pain, whereas others may have abdominal pain but their stool is blood-free. However, there are certain conditions that will cause gas pain as well as bloody stool.
Inflammatory Bowel Disease
Inflammatory bowel disease, which is a digestive problem, can cause bloody diarrhea. In addition, this condition is painful and can cause abdominal cramps and an urgent need to go to the bathroom. Complications of inflammatory bowel disease can include perforation of the bowel, bleeding ulcers and an obstruction, according to Emedicinehealth.com.
Upper GI Bleed
Black, tarry stool is an indication of an upper gastrointestinal bleed, according to Dr. Kevn Pho of Medhelp.org. This condition may cause an uncomfortable feeling in your stomach area, as though gas is trapped there. An endoscopy can determine what is going on in your upper GI tract.
Polyps or Cancer
Bloody stool, accompanied by abdominal pain, could be a sign of colon polyps or colorectal cancer, although the latter is less likely.
Other Causes
Blood can occur in your stool due to hemorrhoids, anal fissures or Crohn's disease.
Variation of Color
Blood will turn your stool black if the blood is from an upper GI bleed (your stomach or duodenum) or bright red if the site of the bleeding is closer to the rectum. If bleeding is originating in the right colon, your stool may take on a dark red or maroon color.
Gas Pain
Gas pain and bloating can occur in someone who has internal hernias or who has adhesions (scar tissue) from multiple surgeries. Gas pain, when occurring on the left side of the colon, is sometimes confused with heart disease, according to Digestive.niddk.nih.gov. When gas pain happens on the right side, it often mimics appendicitis or gallstones.
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