Colonoscopy Frequently Asked Questions

Below find answers to frequently asked questions about colonoscopies.

For additional information or to schedule an appointment, please call 773-907-3038.

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Before the Exam

At what age should I have my first colonoscopy?


A screening colonoscopy is recommended for women and men at average risk beginning at age 45.

A colonoscopy may be recommended earlier than age 45 for an individual with a family history of colon cancer, family history of colon polyps, or certain inherited syndromes. In addition, a colonoscopy may be recommended earlier than age 45 for individuals with a personal history of colon cancer, colon polyps, inflammatory bowel disease, or symptoms such as rectal bleeding or abdominal pain. You should check with your primary care physician or gastroenterologist if any of these conditions apply to you.

What are some signs that you should have a colonoscopy? 


Signs that you may need a colonoscopy regardless of age include seeing blood when you have a bowel movement, weight loss, abdominal pain and changes in your bowels; however, it is possible to have colon cancer without any symptoms. Always follow your physician's screening guidelines in order to protect yourself against this highly treatable type of cancer. 

What are polyps? 


Polyps are little growths in the colon, some of which have cancerous tendencies. Colonoscopies are unique in that they are not only diagnostic but also interventional. If your gastroenterologist sees polyps, they are often able to remove them during the same procedure

Will my insurance cover the cost of the procedure?


As with any service you are receiving, please contact your insurance company to verify that it is covered under your insurance plan.

Can I take other medications before the procedure?


Work with your primary care provider to determine which medications are safe to take and which should be stopped in the days and weeks leading up to your colonoscopy prep, procedure and recovery. Generally, you should take prescribed medication, as directed, both on the preparation day and on the day of the procedure.

I am diabetic. What should I do about my insulin?


Call the physician that manages your diabetes and tell them of your prep. That physician should determine how to change your insulin dose.

What is the clear liquid diet?

• One cup of black coffee in the morning only
• Bullion broth (beef, chicken or vegetable)
• Jell-O
• Popsicles
• Apple Juice
• Tea

Why can’t I eat/drink anything red, pink or purple during my clear liquid diet?

When you eat/drink something red, pink, or purple, it can stain the colon or appear to be small amounts of blood.

I seem to be all cleaned out but I haven’t finished my laxatives, do I have to finish them?

Yes. You must follow the preparation instructions given to you. Your colon is approximately six feet long and must be completely emptied to help ensure an accurate and thorough exam.

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During the Exam

How long will my visit take?


The average length of your visit is dependent upon which procedure is performed and the length of your recovery. The visit length varies for each patient, however, it is usually between two to three hours.  

Will I be awake for the procedure?


The majority of our procedures are performed with conscious sedation, involving the intravenous administration of medication (usually a combination of a narcotic and a sedative). This type of sedation requires that patients respond to verbal and tactile stimuli as well as maintain their airway. Our goal is to make sure you are as comfortable as possible while providing safe care.

If the physician finds a polyp, or sees any abnormal tissue, will it be removed?


The majority of polyps are removed during your procedure. However, particularly large polyps may need to be removed surgically. In order to prevent colorectal cancer, all polyps (small or large) need to be removed. Colorectal cancer is 90% curable with early detection and removal of polyps. In addition to the removal of polyps, a biopsy will be taken of any suspicious or abnormal tissue. All biopsies and polyps will be sent to pathology for evaluation.

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After the Exam

Why can’t I drive myself home after my procedure?


Due to the sedation given during the procedure, you are considered legally impaired. The sedation medication impairs your judgment and reflexes.

When should I have another screening colonoscopy?


Your physician will base the timing of your next colonoscopy on the size, number and type of colon polyps that were removed as well as the adequacy of your preparation. According to the screening guidelines of the American College of Gastroenterologists, you should undergo a screening colonoscopy every 10 years if you have no other risk factors. In the absence of polyps, family history, inherited syndromes, inflammatory bowel disease, or other risk factors your physician may identify, more frequent colonoscopy may be recommended.

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Contact Us

For additional information or to schedule an appointment, please call 773-907-3038.