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Blood in stool
Diarrhea    
Gastrointestinal bleeding    

13 possible causes of "Blood in stool, Diarrhea, Gas..."
Symptoms:
  • Change in bowel habit
  • Constipation
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Dark colored stool
1. Colonic (Colorectal) Polyps
Colonic polyps, also known as colorectal polyps, are growths that appear on the surface of your large intestine, or colon. You can have more than one polyp, and they may be flat or raised, benign or cancerous. Accordin...
Symptoms:
  • Loss of appetite
  • Pain
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Weight loss
2. Ulcerative Colitis
Ulcerative colitis is an inflammatory bowel disease (IBD) in which the lining of the large intestine (colon or bowel) and the rectum become inflamed. This inflammation produces tiny sores or ulcers on the lining of th...
Symptoms:
  • Lactose intolerance
  • Loss of appetite
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Weight loss
3. Crohn’s Disease
Crohn's disease is a chronic bowel disease that causes severe inflammation of the digestive tract. It is associated with abdominal pain, diarrhea, and may affect your quality of life. Crohn's disease is characterized b...
Symptoms:
  • Black stools
  • Pain
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Nausea
4. Colorectal (Colon) Cancer
Colorectal cancer is a cancer that originates in the rectum or colon. Both of these organs are located at the lower portion of your digestive system. The colon is at the end of the large intestine and the rectum is a...
Symptoms:
  • Abdominal discomfort
  • Change in bowel habit
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Chronic pain
5. Diverticulitis
Diverticulitis occurs when diverticula (bulging sacs that usually appear in the lining of the large intestine) get infected or inflamed. Although diverticula are most common in the large intestine (colon), they ca...
Symptoms:
  • Headache
  • Malaise
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Pain
6. Shigellosis
Shigellosis is a bacterial infection that affects the digestive system. Shigellosis is caused by a group of bacteria called Shigella. The Shigella bacterium is spread through contaminated water or food or throug...
Symptoms:
  • Dehydration
  • Pain
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Rectal hemorrhage
7. The Many Sides of Bacterial Gastroenteritis
If you have bacterial gastroenteritis, bacteria have caused an infection in your gut. This usually results in your stomach and intestines becoming inflamed, and you'll probably experience unpleasant symptoms such a...
Symptoms:
  • Weight loss
  • Excessive sweating
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Tenesmus
8. Colitis
Colitis is inflammation of the colon. Other parts of your intestines, which includes, the colon, may also be affected. If you have colitis, you will feel discomfort and pain in your abdomen. You symptoms maybe be mil...
Symptoms:
  • Black stools
  • Nausea
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Dark colored stool
9. Necrotizing Enterocolitis
Necrotizing enterocolitis (NEC) is inflammation and death of intestinal tissue. It may involve just the lining of the intestine or the entire thickness of the intestine. In severe cases, the intestine may even perforat...
This condition is considered a medical emergency. Urgent care may be required.
Symptoms:
  • Pain
  • Anemia
  • Blood in stool
  • Diarrhea
  • Gastrointestinal bleeding
  • Nausea
10. Amebiasis
Amebiasis is a parasitic infection of the intestines caused by entamoeba histolytica. It is common in tropical areas of the world where sanitation is poor, allowing food and water supplies to be exposed to feca...

This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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