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552 Possible Causes for Black Stools, Lower Abdominal Pain

  • Appendicitis

    Increasing the amount of fiber in your diet can prevent constipation and subsequent stool buildup.[] CASE: A 25-year-old woman, at 17 weeks of gestation presented to our emergency center with acute right lower abdominal pain for more than 10 h.[] The patient was a 21-year-old woman, who was examined at our hospital with the chief complaints of right lower abdominal pain and diarrhea.[]

  • Mesenteric Infarction

    Other manifestations such as vomiting not responding to antiemetics, severe abdominal pain, nausea, melena, hematochezia, and diarrhea should raise red flags to suggest AMAE[] Patients may present with 1 : sudden onset of abdominal pain right lower quadrant pain and tenderness absence of fever and gastrointestinal symptoms encountered in healthy[] Mackler’s triad for Boerhaave syndrome (rupture of the esophageal wall): (1) Lower chest pain, (2) Subcutaneous emphysema, (3) Emesis Classic triad of ruptured abdominal aortic[]

  • Acute Gastroenteritis

    Melena is not characteristic for AG, but may be observed if pathogens either penetrate deep into the intestinal wall or mechanically destroy its inner layers.[] Lower abdominal pain could be appendicitis or sigmoid diverticulitis, or it could have a gynecologic or urologic cause.[] Is the vomit green, bloody, black, or like coffee grounds?[]

  • Diverticulitis of the Colon

    Diverticulitis Symptoms Rectal Bleeding Blood in the stool can be bright red, maroon in color, black and tarry, or not visible to the naked eye.[] You may experience significant left, lower abdominal pain with additional symptoms of fever, chills, nausea, vomiting and change in bowels.[] If they do, possible symptoms include left lower abdominal pain, diarrhea, cramps, and change in bowel habits.[]

  • Diverticulitis

    One complication can also be bleeding from blood vessels in the diverticula, which can cause a gush of blood from the rectum or black stools.[] CASE REPORT: Here we present a female patient with a history of right lower abdominal pain and fever of 3 days duration.[] A 67-year-old Japanese woman consulted to our hospital because of abdominal pain and melena. A blood laboratory revealed severe anemia increased CRP (11.21 mg/dl).[]

  • Meckel Diverticulum

    A 12-year-old boy presented with bloody diarrhoea and abdominal pain in association with a long-standing history of black stools and progressive pallor.[] View larger version (84K) Fig. 9A — 13-year-old boy with right lower quadrant abdominal pain.[] Clinical Presentation and Intervention: A 12-year-old boy presented with bloody diarrhoea and abdominal pain in association with a long-standing history of black stools and[]

  • Gastric Ulcer

    stools.[] Nine days later, he complained of sudden lower abdominal pain and had acute anuric kidney failure.[] This patient's abdominal pain was initially thought to be attributable to a lower digestive tract process and her anemia was insidious in onset but progressive.[]

  • Peptic Ulcer

    […] looks like coffee grounds), black stools or anemia.[] If your ulcer is in your oesophagus (oesophageal ulcer), it can cause you to have abdominal or lower chest pain. You may also have trouble swallowing.[] Symptoms that require immediate medical attention include sharp, sudden, persistent stomach pain, bloody or black stools, or bloody vomit or vomit that looks like coffee grounds[]

  • Esophageal Varices

    Abstract A 58-year-old man with hepatitis B cirrhosis noticed black stools and underwent an endoscopy at a community hospital.[] Other symptoms are abdominal pain, dysphagia, odynophagia, and other features of liver disease or underlying medical condition.[] Ballooning of blood vessels (veins) may cause vessels to rupture causing: vomiting of blood, tarry black stools.[]

  • Gastrointestinal Hemorrhage

    Tarry black stools indicate a bleeding source in the upper GI tract; bright red blood from the rectum usually indicates bleeding in the distal colon.[] […] gastrointestinal bleeding include: Black, tarry stool Bright red blood in stool Severe bleeding may lead to anemia, weakness, abdominal pain and diarrhea Diagnosis Diagnosis[] Although not all black stools represent melena, patients who report black stools are much more likely to have a UGIB source.[]

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