Rectal Bleeding

About the Symptom

This is bright red blood passed from the anus.

When to See a Doctor

Seek professional care if you experience any of the following symptoms

• Bleeding from the anus

Possible Causes

Generally, Rectal bleeding can be related to:

• Anal Fissure

  Anal Fissure, also known as an anal tear, is a common condition characterized by a small tear or cut in the lining of the anus. It is often caused by trauma to the anal area during bowel movements, such as passing hard stools or excessive straining. Symptoms include intense pain, bleeding, and itching. Risk factors include chronic constipation, diarrhea, obesity, and pregnancy.

• Anal Varices

  Also called anorectal or rectal varices. These are the dilation of submucosal veins, which occur as a complication of portal hypertension. This condition is caused by elevated pressure in the portal venous system, and the portal vein is a major vein leading to the liver. Acute bleeding is rare but can be massive and life-threatening.

• Ulcerative Colitis

  An inflammatory condition of the large intestine that damages the gut wall. The exact cause is not well known.

• Hemorrhoid
• Rectal Prolapse
• Anal Cancer
• Colon Cancer
• Colonic Polyp

Related Serious Diseases

Sometimes, Rectal bleeding may be related to these serious diseases:

• Ischemic Enteritis

  A condition in which the gut wall is damaged due to insufficient blood supply. Causes include low blood pressure, medications, or clots from the heart.

• Diverticular Bleeding

Doctor's Diagnostic Questions

Your doctor may ask these questions to check for this symptom:

• Are you experiencing anal bleeding?
• When did you first notice the bleeding from the anus?
• Which of the following best describes your bleeding from the anus?
• How often do you experience bleeding from the anus?
• How is your bleeding from the anus now?

Find Similar Symptoms