Is It Normal to Bleed When You’re Constipated?
Here’s why you might be seeing some red spots on that TP.
If you’re constipated, you’re probably already in enough anguish. Seeing streaks of blood on the toilet paper definitely doesn’t help. Your imagination might go to the worst scenarios: Could it be internal bleeding? An ulcer? Cancer?
The Most Likely Answer: You Strained Too Hard
Most of the time, rectal bleeding is not quite so sinister. “If you see blood after a bowel movement, this could be simply from a hard stool,” says Anthony Starpoli, MD, gastroenterologist in New York City.
When you’re constipated, your BMs are typically harder and thus more difficult to pass, so you strain and push and bear down. “There are very strong muscles at the anal sphincter, and when you pass a hard stool, you may tear the tissues there,” says Dr. Starpoli. This is called an anal fissure, or a tiny rip in the lining of your anal canal, according to the American Society of Colon and Rectal Surgeons. If you have an anal fissure, blood will appear bright red on your toilet paper since the blood is fresh and coming right from the rectum. You may also feel sharp pain during the bowel movement, and you might feel a lump or skin tag near the fissure.
Another result of straining is a hemorrhoid. Similar to anal fissures, these can create bright red blood on your toilet paper and cause pain when you push a BM. The difference is that hemorrhoids are caused by swollen or inflamed blood vessels around the anus and lower rectum.
“Everyone has hemorrhoids,” says Dr. Starpoli. “People think only some people have hemorrhoids; they don’t. Everyone is born with hemorrhoidal tissue… With a hard movement, you can scrape that tissue and get some bleeding.”
Other Reasons for Blood During a Bowel Movement
Anal fissures and hemorrhoids can go away on their own within a couple days, and you can prevent them by following lifestyle changes to prevent constipation.
However, if you’re seeing blood in your stool regularly, that’s cause for concern. “It is not normal to have rectal bleeding,” says Dr. Starpoli. “Rectal bleeding is really an alarm system that warrants some degree of investigation.”
Rectal bleeding can be caused by a number of issues in the esophagus, stomach, intestines, colon, rectum, or anus, according to the National Institute of Diabetes and Digestive and Kidney Diseases. Here are some possible causes of rectal bleeding:
Peptic ulcers
Inflammation of the esophagus
Diverticulosis and diverticulitis
Colonic polyps
Stomach cancer
Esophageal cancer
If you’re experiencing bleeding without constipation (or you’ve changed your lifestyle to avoid constipation but are still seeing blood), talk to your doctor. You may be able to catch a serious condition and, if necessary, begin crucial treatment.
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If you see blood after a bowel movement,
this could be simply from a hard stool.
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Assuming that maybe you
strained too much so.
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Because those are very strong
muscles at the anal sphincter and
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when you pass a hard stool,
you may tear the tissues there.
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You can cause a deep break in the anal
tissue, and that's called a fissure.
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And fissures can bleed significantly,
more importantly, they really hurt.
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But people can also have
a hard movement and
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scrape the delicate hemorrhoidal
tissues that's there.
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And everyone has hemorrhoids, people think
that only some people get hemorrhoids,
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they don't.
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[LAUGH] Everyone is born
with hemorrhoidal tissue,
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these are veins that line the anal canal,
that opening on its way into the rectum.
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And with a hard movement, you can scrape
that tissue and get some bleeding.
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So there's all kinds of bleeding.
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Bleeding reported to be blood spots on
toilet tissue, or clots in the bowl.
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But you need to know about the acute
nature, is it a first time episode?
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Is it an episode in
a young patient bleeding?
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Or is it someone that's
never had bleeding?
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Or is a bit older, in the risk group for
other kinds of things, like colon cancer?
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It is not normal to have rectal bleeding,
and rectal bleeding
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is really an alarm symptom that
warrants some degree of investigation.
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Anal fissure. Arlington Heights, IL: American Society of Colon and Rectal Surgeons. (Accessed on May 15, 2018 at https://www.fascrs.org/patients/disease-condition/anal-fissure-0.)
Gastrointestinal bleeding. Washington, DC: U.S. National Library of Medicine. (Accessed on May 15, 2018 at https://medlineplus.gov/gastrointestinalbleeding.html.)
Hemorrhoids. Washington, DC: U.S. National Library of Medicine. (Accessed on May 15, 2018 at https://medlineplus.gov/hemorrhoids.html.)