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Doctor insights on: How Far Does Thing Go Up Rectum With Colonoscopy

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Why would I have pain/pressure in my rectum area while having gas, before, and while I have to go to the bathroom. I have grade two internal hemorrhoids and have had a neg colonoscopy. ?

Why would I have pain/pressure in my rectum area while having gas, before, and while I have to go to the bathroom. I have grade two internal hemorrhoids and have had a neg colonoscopy. ?

Fissure: Typically a rectal fissure is the source of severe rectal pain and bleeding. The hemorrhoids are less painful, cause bleeding, and often hide the fissure located under or deep to the hemorrhoid. Initial treatment is softer, smaller caliber stool with bowel regimen. If not getting better, then surgery consultation. Take a friend with you. Be well ...Read more

Dr. Charles Cattano
1,965 doctors shared insights

Colonoscopy (Definition)

Colonoscopy is the procedure of using a long flexible camera to visualize the entire colon from the inside with the option to take pictures, video, perform biopsies, remove polyps, etc. Generally people are sedated and do ...Read more


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Ever since i set up appt, for colonoscopy i have started going poop every time i go to bathroom, even to pee. My rectum aches at times. stress?

Ever since i set up appt, for colonoscopy i have started going poop every time i go to bathroom, even to pee.  My rectum aches at times.  stress?

Could be...: stress, but then the doctor ordered a colonoscopy for some reason. Were you having these symptoms? Have you been on antibiotics recently? Have you started your prep for the colonoscopy? Worth mentioning to your doc before hand, but the study will probably help to explain the symptom. Good luck! ...Read more

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Is it normal to bleed from the rectum after colonoscopy?

Occasionally: Depending if you had hemorrhoids or biopsies, you may experience a little bleeding for a day or two. If polyps are removed, the bleeding can be heavier and longer. ...Read more

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I have a small rectum that prevents either a colonoscopy or digital examination. What options do I have.

Unlikely: You could either do virtual colonoscopy which is a ct scan or they can use a pediatric colonoscope which is a smaller scope for the colonoscopy. Check with your doctor. ...Read more

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Please tell me, could a colonoscopy show difference between prolapsed rectum and hemmrhoids?

Please tell me, could a colonoscopy show difference between prolapsed rectum and hemmrhoids?

Not very useful: Rectal prolapse when the last portion of the large intestine protrudes through the anus. Hemorrhoids are swollen blood vessels that develop in the anus and lower rectum. Early rectal prolapse can mimic internal hemorrhoids making it difficult to tell these. Probably best test is to have a colorectal surgeon conduct exam by bearing down to show the prolapse. Protoscopy and colonoscopy may help. ...Read more

Rectum (Definition)

The rectum is the last portion of the GI tract where the colon ends. It is heavily muscled and generally remains contacted to control the colonic contents but is under conscious control when a ...Read more


Anus (Definition)

The anus is the opening of the rectum, through which stool and flatus are passed. The anal canal is about an inch in length, and is ...Read more