COLONOSCOPY

Colonoscopy is used to examine colon and rectum and detect any abnormality there. This procedure is done commonly and is immensely helpful in identifying problems of colon and rectum.

Find Out More About Colonoscopy

What is Colonoscopy?


Colonoscopy is used to examine colon and rectum and detect any abnormality there. This procedure is done commonly and is immensely helpful in identifying problems of colon and rectum such as rectal bleeding, diarrhea, abdominal pain,history of polyps, surveillance of cancer, treatment of hemorrhoids and rectal bleeding.




How is a Colonoscopy done?


Colonoscopy is done by a long, flexible tube which has a video camera at its tip. The tube is inserted through the rectum and the camera allows the doctor to view the colon on the screen.

The main procedure follows a preparation which includes the following:

  • Patient has to follow a special diet plan
  • Take a laxative
  • Adjustment of medications of the patient




Indications for Colonoscopy


A patient is referred for colonoscopy to know the causes in following presentations:

  • Abdominal pain
  • Rectal bleeding
  • Chronic constipation
  • Chronic diarrhea
  • Screening for colon cancer
  • Looking for any colon polyp




What are the other uses for a colonoscope?


The colonoscope used for colonoscopy can also be used for other procedures like:

  • Removal of polyps from colon
  • Removal of any other abnormal tissue in colon or rectum
  • Obtaining tissue samples for biopsy




What are the possible complications of a Colonoscopy?


Although colonoscopy is a safe procedure, it does have certain risks and complications which a gastroenterologist cannot ignore. The possible risks include:

  • Perforation of the gut wall
  • Infection
  • Bleeding at the site of removal of polyp
  • Reaction to sedation/anesthesia

After the procedure, patient is advised proper rest. Bloating and nausea re common after colonoscopy which goes away on its own soon.

If you think that you have symptoms or signs which might indicate a need for colonoscopy, you can consult us freely





At NYC Gastroenterology and Nutrition, our gastroenterologist, Dr. Oliner, can help you in the most effective and expert way. If you would like to book an appointment, you can call us at

646-957-2989 or book an appointment online.

What Patients are saying:

Dr. Oliner is very thorough and seems genuinely interested in helping me with my health issues. Upon meeting him, I was immediately put at ease by his friendliness and ability to truly listen to what I had to say. I have had 3 appointments with him so far and, unlike many doctors, I do not dread going in to see him

Michael H.

Dr. Charles Oliner, MD - NYC Gastroenterologist

Address: 247 3rd Avenue, Suite 201, New York, NY 10010
Phone: 646-957-2989  |  Fax: 212-228-2142
Email: droliner@newyorkcitygastro.com

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