Have you ever had blood in your stool (poop)? In fact, many people have experienced seeing blood in stool. After going to the toilet, they found a small amount of bright red to black blood in the toilet bowl, toilet paper or stool. In addition to common hemorrhoids, blood in the stool may also be caused by indigestion, large intestine polyps, intestinal cancers and even rare anal cancer.
Therefore, if you have persistent stool bleeding, especially dark red blood stains on the stool, accompanied by symptoms such as fainting and abdominal cramps, you should seek medical assistance as soon as possible.
Small cracks in the lining of the anus, causing bloody stool and painful defecation
Tissue lining the rectum composed of blood vessels and muscle fibres swells due to pressure and gravity
Abnormal, tortuous, dilated small blood vessels developed in the intestine, causing them to become fragile, rupture, and bleed
Hard stools, the excessive straining can lead to anal fissures and hemorrhoids
Internal hemorrhoids do not hurt but can cause bleeding
Polyps are projecting growth of tissue into the bowel cavity that can cause bleeding
The tumours are highly vascular and fragile and can often tear or break and cause bleeding
Black, tarry stools may occur from bleeding in the stomach (common with people regularly taking aspirin and non-steroidal anti-inflammatory drugs (NSAIDS) such as ibuprofen and mefenamic acid) and small bowel ulcers; bright red blood may be from large bowel ulcers
Includes ulcerative colitis (UC) and Crohn's disease
Dierticula are small pouches or bumps in the wall of the colon where blood vessels can be corroded rupture and bleed over time
An intestinal infection or an infection caused by bacteria such as Salmonella, E. Coli or Shigella can cause bleeding
Doctors will ask the patient about their symptoms, medical and family history, and any medications they are taking. They may also perform a physical check-up, like a digital rectal examination, to look for signs of bleeding, such as blood in the stool or anal area.
It can help identify specific conditions that may be causing rectal bleeding, such as anemia or inflammation in the body.
A colonoscopy is a procedure that involves inserting a long, flexible tube with a light and camera into the rectum and colon to examine the lining of the colon for abnormalities or signs of bleeding. A biopsy may also be taken during the procedure if necessary.
It is a procedure that involves inserting a short, rigid tube with a camera into the anus to examine the anal canal for signs of bleeding or other abnormalities.
A computed tomography (CT scan) or magnetic resonance imaging (MRI) may be used to look for abnormalities in the rectum or colon that could be causing rectal bleeding.
It is a procedure that uses contrast dye and X-rays to visualise blood vessels and identify a source of bleeding in the gastrointestinal tract.
An imaging technique using radioactive isotopes to localise the bleeding bowel segment, and to estimate the rate of blood loss.
It's important for patients to be aware of their family and personal history and discuss any concerns or questions they have with their doctor and follow their recommendations for diagnosis and treatment.
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4.Mayo Clinic. Rectal bleeding. 21 July, 2023, Retrieved from https://www.mayoclinic.org/symptoms/rectal-bleeding/basics/causes/sym-20050740
5. Health Direct. Rectal bleeding. 21 July, 2023, Retrieved from https://www.healthdirect.gov.au/rectal-bleeding
6. NIH, National Library of Medicine. Rectal bleeding. 31 July 2023. Retrieved from https://www.ncbi.nlm.nih.gov/books/NBK563143/#:~:text=Rectal%20bleeding%2C%20or%20hematochezia%2C%20is,%2C%20proctitis%2C%20and%20anorectal%20malignancy
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