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   What are the risks of a colonoscopy?

   • While colonoscopies have their risks, it’s worth repeating that the chances of facing complications that come from not having one are, relatively, much greater. The average lifetime risk of getting colorectal cancer is approximately 1 in 23 men and 1 in 25 women. Colorectal cancers are the second leading cause of cancer death in the United States.

   Colonoscopy Risks: Side Effects, Alternative Tests, Complications

   www.healthline.com/health/colonoscopy-risks

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   What is the risk of colon cancer after a colonoscopy?

   • Studies estimate the overall risk of complications for routine colonoscopy to be low, about 1.6%. In contrast, the lifetime risk for developing colo-rectal cancer is about 4-5%. To put it into perspective: a person's average risk of developing colon cancer is higher than having a complication after a colonoscopy.

   Potential Risks of a Colonoscopy | Verywell Health

   www.verywellhealth.com/what-are-the-risks-of-a-colonoscopy-1942559

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   What is the risk of perforation after a colonoscopy?

   • The risk of perforation is very low after a colonoscopy in which no polyps were removed, and is only slightly higher after a colonoscopy during which a polyp is removed. A perforation can occur if an instrument punctures a thin point in the colon wall, or if the air introduced into the colon during the test causes too much distention.

   Potential Risks of a Colonoscopy | Verywell Health

   www.verywellhealth.com/what-are-the-risks-of-a-colonoscopy-1942559

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2. www.healthline.com › health › colonoscopy-risksColonoscopy Risks: Side Effects, Alternative Tests, Complications

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   Dec 8, 2020 · Risks associated with colonoscopy include: Perforated intestine. Intestinal perforations are tiny tears in the rectum wall or colon. They can be made accidentally during the procedure by an...

   • Author: Corey Whelan

3. www.webmd.com › colorectal-cancer › colonoscopy-risksColonoscopy Risks: Complications Before, During, After Procedure

   www.webmd.com › colorectal-cancer › colonoscopy-risks

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   Mar 17, 2024 · Colonoscopy is a fairly safe exam, but it’s not without risks. Learn more about the common risks from a colonoscopy, colonoscopy prep, and side effects.

4. Videos

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     Dr. Lloyd on reasons not to have a colonoscopy?

     29 Mar 2011

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     What are the Risks of Colonoscopy

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     What are Colonoscopy Risks? • Risks of Colonoscopy | Colonoscopy Center of Excellence

     14 Nov 2012

     21.9K views

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5. www.aarp.org › do-you-need-a-colonoscopyIs Your Colonoscopy Actually Necessary? - AARP

   www.aarp.org › do-you-need-a-colonoscopy

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   Oct 24, 2022 · Results from a large, first-of-its-kind trial published Oct. 9 in the New England Journal of Medicine found that colonoscopies only lowered the risk of colorectal cancer by a modest 18 percent in study participants invited to get one, and that the reduction in the risk of death from the cancer that was discovered was not significant.

   • Author: Rachel Nania

6. www.mayoclinic.org › tests-procedures › colonoscopyColonoscopy - Mayo Clinic

   www.mayoclinic.org › tests-procedures › colonoscopy

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   Feb 28, 2024 · Risks. A colonoscopy poses few risks. Rarely, complications of a colonoscopy may include: A reaction to the sedative used during the exam; Bleeding from the site where a tissue sample (biopsy) was taken or a polyp or other abnormal tissue was removed; A tear in the colon or rectum wall (perforation)

7. www.verywellhealth.com › what-are-the-risks-of-aPotential Risks of a Colonoscopy - Verywell Health

   www.verywellhealth.com › what-are-the-risks-of-a

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   Nov 17, 2022 · A colonoscopy is generally a very safe procedure, but there is a low amount of risk. Learn about the potential complications and risks of a colonoscopy.

8. www.health.harvard.edu › blog › how-well-doHow well do colonoscopies prevent colorectal cancer? What you ...

   www.health.harvard.edu › blog › how-well-do

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   Oct 18, 2022 · Past research shows that colonoscopy is associated with as much as a 69% decrease in new cases of colorectal cancer and an 88% decrease in the risk of death from it.

9. www.health.harvard.edu › staying-healthy › do-iDo I still need a colonoscopy? - Harvard Health

   www.health.harvard.edu › staying-healthy › do-i

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   Feb 1, 2023 · But overwhelming evidence supports the procedure for lowering the risk of colon cancer and related death, and experts continue to recommend people at average risk get at least one colonoscopy beginning at age 45.