Rectal bleeding is not normal and it can be upsetting.
There are common reasons for bleeding such ashemorrhoidsor a tear in the anal canal.
The medical term for bright-red blood in the stool ishematochezia.
Chakrapong Worathat / EyeEm / Getty Images
Whatever the potential cause, it is never normal and should always be investigated by a healthcare provider.
You might see it in the toilet bowl or on toilet paper after wiping.
A little bit of blood in the toilet can look like a lot when it hits the water.
Causes of Rectal Bleeding
There are several causes of rectal bleeding.
Many medications can lead to the development of constipation.
There are other medications that can increase the risk of bleeding in the body.
With severe blood loss, there is a risk of serious complications, including death.
For bleeding that comes on suddenly and wont stop, seek help in the emergency department right away.
Are There Tests to Diagnose the Cause of Rectal Bleeding?
Bleeding from the rectum isnt normal, and it is a sign that something is wrong.
Hemorrhoids are a common reason for bleeding.
However, even hemorrhoids need to be diagnosed by looking at them.
You may choose to ignore the blood or to hope that the bleeding stops on its own.
Colon cancer starts with an abnormal growth in the colon called a polyp.
Polyps start out small and grow and may eventually start to bleed.
2018;33:415-422. doi:10.1007/s11606-017-4273-x.
Matkovic Z, Zildzic M.Colonoscopic evaluation of lower gastrointestinal bleeding (LGIB): Practical approach.Med Arch.
202;75:274-279. doi:10.5455/medarh.2021.75.274-279.
2015;16:499-504. doi:10.1111/1751-2980.12269.
American Society of Colon and Rectal Surgeons.Anal fissure expanded information.
Gardner IH, Siddharthan RV, Tsikitis VL.Benign anorectal disease: hemorrhoids, fissures, and fistulas.Ann Gastroenterol.
2020;33:9-18. doi:10.20524/aog.2019.0438
American College of Gastroenterology.Peptic ulcer disease.
2021;36(1):47-56. doi:10.1007/s00384-020-03739-z
MedlinePlus.Pseudomembranous colitis.
Strate LL, Gralnek IM.
ACGClinical guideline: Management of patients with acute lower gastrointestinal bleeding.Am J Gastroenterol.
2016;111:459-474. doi:10.1038/ajg.2016.41.