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Bleeding from Rectum

Rectal bleeding is a symptom that means blood passing from anus that is usually assumed to be coming from lower colon or rectum. But blood may come from any area or structure in the GI tract that allows blood to leak into the GI lumen. Rectal bleeding can range in color depending upon the cause and its location in GI tract. It can seem to be mild but is medically serious and needs careful examination to diagnose its exact cause and thereby its treatment.

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Causes of rectal bleeding

Rectal bleeding can occur because of so many reasons like:

  • Hemorrhoids
  • Anal fissures
  • Inflammation like Diverticulitis, Proctitis
  • Prolapse
  • Infection
  • Inflammatory bowel diseases like Crohn’s disease and ulcerativecolitis
  • Angiodysplasia
  • Tumors
  • Polyps
  • Trauma
  • Chronic constipation
  • Diarrhea
  • Radiation therapy
Alarming Symptoms of Rectal Bleeding
  • Maroon-colored stools
  • Black, tarry stools
  • Bright red blood on or in the stool
  • Blood on the toilet tissue or toilet bowl
  • Abdominal or rectal pain
  • Dizziness
  • Hypotension
  • Vomiting
  • Palpitation
  • Rapid, shallow breathing
  • Blurred vision
  • Cold, clammy, pale skin
  • Low urine output
How Is the Cause of Rectal Bleeding Determined?

Rectal bleeding is itself a symptom that can occur due to so many reasons. So doctor performs a thorough physical exam, followed by some diagnostic tests to evaluate the exact reason of rectal bleeding:

  • Stool or urine test
  • Blood tests
  • Barium swallows
  • An endoscopy
  • Colonoscopy
  • X-ray
  • An ultrasound
  • CT scan
  • MRI
Treatment of Rectal Bleeding

The treatment of rectal bleeding specifically depends upon its causes and thereby its diagnosis. It may include medications or surgery.