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  2. www.webmd.com › why-get-a-colonoscopyWhy Your Doctor Wants You to Get a Colonoscopy - WebMD

    May 23, 2023 · With a colonoscopy, your doctor can see inside your entire colon and rectum. They will use a flexible, hollow, lighted tube about the thickness of a pen called a colonoscope. It has...

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

    • Overview
    • Why It's Done
    • Risks
    • How You Prepare
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    A colonoscopy (koe-lun-OS-kuh-pee) is an exam used to look for changes — such as swollen, irritated tissues, polyps or cancer — in the large intestine (colon) and rectum. During a colonoscopy, a long, flexible tube (colonoscope) is inserted into the rectum. A tiny video camera at the tip of the tube allows the doctor to view the inside of the entir...

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    Your doctor may recommend a colonoscopy to: 1. Investigate intestinal signs and symptoms.A colonoscopy can help your doctor explore possible causes of abdominal pain, rectal bleeding, chronic diarrhea and other intestinal problems. 2. Screen for colon cancer.If you're age 45 or older and at average risk of colon cancer — you have no colon cancer ri...

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    A colonoscopy poses few risks. Rarely, complications of a colonoscopy may include: 1. A reaction to the sedative used during the exam 2. Bleeding from the site where a tissue sample (biopsy) was taken or a polyp or other abnormal tissue was removed 3. A tear in the colon or rectum wall (perforation) After discussing the risks of colonoscopy with yo...

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    Before a colonoscopy, you'll need to clean out (empty) your colon. Any residue in your colon may make it difficult to get a good view of your colon and rectum during the exam. To empty your colon, your doctor may ask you to: 1. Follow a special diet the day before the exam.Typically, you won't be able to eat solid food the day before the exam. Drin...

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    During the procedure

    During a colonoscopy, you'll wear a gown, but likely nothing else. Sedation or anesthesia is usually recommended. In most cases, the sedative is combined with pain medication given directly into your blood stream (intravenously) to lessen any discomfort. You'll begin the exam lying on your side on the exam table, usually with your knees drawn toward your chest. The doctor will insert a colonoscope into your rectum. The scope — which is long enough to reach the entire length of your colon — co...

    After the procedure

    After the exam, it takes about an hour to begin to recover from the sedative. You'll need someone to take you home because it can take up to a day for the full effects of the sedative to wear off. Don't drive or make important decisions or go back to work for the rest of the day. You may feel bloated or pass gas for a few hours after the exam, as you clear the air from your colon. Walking may help relieve any discomfort. You may also notice a small amount of blood with your first bowel moveme...

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    Explore Mayo Clinic studiesof tests and procedures to help prevent, detect, treat or manage conditions.

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    Our patients tell us that the quality of their interactions, our attention to detail and the efficiency of their visits mean health care like they've never experienced. See the stories of satisfied Mayo Clinic patients.

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  4. www.gastroconsa.com › 5-reasons-you-may-need-a5 Reasons You May Need a Colonoscopy

    • You’re Older Than 45. As you age, your risk of developing colon cancer increases. It’s much more common after 45, though younger adults can be diagnosed.
    • You Have a Personal History of Colon Polyps or Cancer. A history of adenomatous polyps (adenomas) increases the risk of developing colon cancer. This is especially true for those who have had large polyps, many polyps, or if any of them show dysplasia.
    • You Have a Family History of Colon Polyps or Cancer. Though most colon cancers are found in those without a family history, as many as one-third of people with colon cancer have family members who also had it.
    • You Have a Personal History of Inflammatory Bowel Disease. Having inflammatory bowel disease (IBD), like ulcerative colitis or Crohn’s disease, increases the risk of colon cancer.

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

    Oct 24, 2022 · Experts are questioning the benefits of the colonoscopy, the most common colorectal cancer screening. Find out if you really need a colonoscopy.

    • Rachel Nania

  6. www.healthline.com › health › colonoscopyColonoscopy: Prep, Procedure Details, and Screening - Healthline

    Apr 29, 2022 · Why is a colonoscopy performed? A colonoscopy can be performed as a screening for colorectal cancer and other problems. The screening can help your doctor: look for signs of cancers...

    • Brian Krans

  7. www.medicalnewstoday.com › articles › colonoscopyColonoscopy: Procedure, preparation, side effects, recovery ...

    Jul 22, 2020 · A colonoscopy is an important procedure for detecting colorectal cancer in those at high risk or over the age of 50. A colonoscopy usually takes 30–60 minutes. However, people should...

  8. www.nhs.uk › conditions › colonoscopyColonoscopy - Why it's done - NHS

    Why a colonoscopy is done. A colonoscopy can be done to look for a number of things. To check the cause of your bowel symptoms. A colonoscopy is often done to check what's causing your bowel symptoms, such as: bleeding from your bottom or blood in your poo; diarrhoea or constipation that does not go away; losing weight or feeling really tired ...