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Doctor insights on: Causes Of Failed Colonoscopy

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What can cause you to experience nothing at all after taking moviprep prior to a colonoscopy?

What can cause you to experience nothing at all after taking moviprep prior to a colonoscopy?

Slow motility: Assuming that you do not have an intestinal blockage (in which case you would be severely vomiting with the prep), then you probably have somewhat severe gut hypo motility (slow gut) that resulted in the movi prep not working. It is rare but I have seen it happen. ...Read more

Dr. Charles Cattano
2,044 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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Is there a death rate for a colonoscopy (during and after)? If yes, how high and what is death most commonly caused by?

Scope complications: The worst complications associated with upper or lower endoscopy happen with perforation through the bowel. This is very unlikely. The perforations will usually cause a bad infection to start. The infection can become bad enough to be fatal, but, this too is unlikely. ...Read more

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Having a colonoscopy monday, using moviprep tomorrow night. Is there anything I can do to help the discomfort the prep can cause?

Having a colonoscopy monday, using moviprep tomorrow night. Is there anything I can do to help the discomfort the prep can cause?

Cramp or hemorrhoid?: Cramping from colon prep often reflects altered gut motility, secretions, & distension that can be mitigated by prep choice. Frequent stooling due to an effective prep may aggravate anal fissure, hemorrhoids, procto-colitis or reproduce the symptoms of irritable bowel syndrome (if these conditions are present or ultimately diagnosed). Ask your doctor for relief appropriate to these possibilities. ...Read more

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Can a colonoscopy cause colitis?

Unlikely: Colonoscopy is a tool to look at the inside of the colon for polyps, cancers, ulcerations, inflammation or other disorders. Colonoscopy uses a flexible telescope with a fiber optic light source. Colitis is inflammation of the colon, it would be hard to link how a colonoscopy would cause colitis. ...Read more

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Docs, could a colonoscopy cause damage?

Yes it can: Colonoscopy is a very important tool doctors have to screen and diagnose and treat colon problem including cancer
like any other tool it could have a side effect or potential complication
the worst is perforation which could be easily treated by surgery chance is less than 1% some statistic suggest one out of 500 hundred
second is bleeding which could be stopped without surgery. ...Read more

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Can a colonoscopy irritate Crohn's disease and cause symptoms to worsen?

Can a colonoscopy irritate Crohn's disease and cause symptoms to worsen?

No: Occasionally multiple biopsies and the prep may result in a day or two of minor bleeding, and possibly loose stools, but that should resolve rapidly. ...Read more

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My wife recently had a colonoscopy done on the 15th of Jan...and now she started bleeding... what could be the cause for this?

My wife recently had a colonoscopy done on the 15th of Jan...and now she started bleeding... what could be the cause for this?

Bleeding: Were any polyps removed? That can be a source of bleeding. Also the colonoscopy can cause irritation to diverticuli or simply irritate the mucosa of the bowel. You should let your GI physician know about the bleeding. ...Read more

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Know that feeling of air in your shoulders after a colonoscopy well I have that painful feeling for no reason. Why? What would cause that

Know that feeling of air in your shoulders after a colonoscopy well I have that painful feeling for no reason. Why? What would cause that

No: I never heard of anyone having a feeling of air in their shoulders from a scope in their large intestine, but if you are having pain in your shoulders it would be wise to get an exam to determine why. Best wishes. ...Read more

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I had a colonoscopy a few weeks ago and got the results today what other diseases could cause crohns like symptoms other than crohns and U C?

Ibs: If your colonoscopy revealed no pathology, ongoing intestinal symptoms like cramps, diarrhea, flatulence can occur with irritable bowel syndrome, lactose or gluten intolerance or sensitivity. Chronic intestinal infections are usually diagnosed by stool cultures. Your gastroenterologist, who knows you well, is best qualified to answer your question. ...Read more

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Can a colonoscopy cause a hernia? How do I treat it?

Hernias development: Colonoscopy injects a lot of air into the colon and increases intravenous-abdominal pressure. If you have a hernia, the increased pressure will cause a pre-existent hernia to protrude. You should see a surgeon to have it repaired. The hernia has probably been there for awhile and protruded after to increase in abdominal pressure. ...Read more

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Body aches and pains after colonoscopy. What can cause this?

Body aches and pains after colonoscopy. What can cause this?

Follow up: Mild transient discomfort or pain may be acceptable but any substantial or long-lasting pain requires a follow up with your endoscopist ...Read more

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What causes uncontrollable diarrhea when a colonoscopy is clear?

What causes uncontrollable diarrhea when a colonoscopy is clear?

Irritable Bowel Syn.: Many things can cause uncontrollable diarrhea. A common cause is ibs. Ibs causes dysfunctional GI problems, ex diarrhea, constipation or both. Cause is unknown but may be stress, certain foods, etc. But there is nothing visibly wrong with your GI tract, so colonoscopy is clear. Another cause could be celiacs --gluten allergy that affects the small intestine, (not seen on a colonoscopy) or infecti. ...Read more

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Colonoscopy found multiple mucosa target lesions--what could cause this?

Colonoscopy found multiple mucosa target lesions--what could cause this?

Colon target lesions: Sorry for confusion, but gastroenterologists commonly use the term "aphthous ulcers" to describe small ulcerations in the colon & small intestine. When terminology is applied precisely, the ulcers are associated with inflammatory bowel disease. Descriptively, but less precise, ulcers of similar appearance are seen in the lower GI tract with use of aspirin, with lymphoid hyperplasia, herpes, others. ...Read more

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I just had a colonoscopy and they found multiple mucosa targt lesions. What could causes this?

Target lesions?: I am assuming that you are referring to a pale central area surrounded by a red ring. This is generally bowel prep artifact, however if there was any concern on the physician's part, a biopsy would have been taken. ...Read more

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I had my first routine colonoscopy at 54 years old, and I have had intense itching of the anus since the colonoscopy. Can you tell me the cause?

I had my first routine colonoscopy at 54 years old, and I have had intense itching of the anus since the colonoscopy. Can you tell me the cause?

Inflammation: It would help to know how long this has been going on, but I can give you some generalities. The scope itself can cause irritation or very minor injury; the lubricant may be something your skin is sensitive to; you may have some hemorrhoids that the scope caused to "act up." Generally, doctors schedule a follow up to discuss the results. I recommend you bring this up at that time. ...Read more

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Had a colonoscopy 2 days ago experience itching in the testical and growing area since yesterday can enastasia or the procedure it self can cause this?

Had a colonoscopy 2 days ago experience itching in the testical and growing area since yesterday can enastasia or the procedure it self can cause this?

Not related: But the good news is more often than not, the cause of your testicular itching can be easily treated. See your PCP for diagnosis and treatment. ...Read more

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Colonoscopy & liquid that's needed before test, causes me big side effects &now its needed again, please can u advice of alternative tests if any availabl?

Colonoscopy: There are many options for bowel preparation to choose from. Some of these options are much smaller in volume and also there is pill form. You should discuss your concerns with your GI physician to determine the best options for you. There are other options beside colonoscopy, but none of the other ones will have therapeutic benefits (most of the other ones are diagnostic). Again, discuss! ...Read more

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Can a Colonoscopy cause a water infection?

Can a Colonoscopy cause a water infection?

No: Colonoscoy is done with sterile instruments so that no new bacterial forms are introduced into the intestine not already there. The only type of infection occurs if on biopsy, perforation of a small area of colon occurs and a localized abscess with acute pain develops. ...Read more

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What can cause rectal bleeding if the colonoscopies comes back normal?

What can cause rectal bleeding if the colonoscopies comes back normal?

Colonoscopy: Will look for tumors or polyps in the colon. Most common cause of bleeding may be from hemorrhoids or anal fissure that may not be seen well on colonoscopy. Less common causes of colon bleeding could be vascular malformation or diverticulosis which can bleed intwrmittently & would not be seen at colonoscooy unless there was active bleeding at the time of the procedure. ...Read more

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What can cause extreme tightness by your gall blader after a colonoscopy?

AIR: Most likely is from the air used to insufflate the colon to help visualize the walls. Most of the air is suctioned out as the scope is being withdrawn. ...Read more

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I might have an anal fissure caused by colonoscopy I had two days ago. Is this common?

Can happen: This is not common, but can happen. Make sure your keep a high fiber diet. Warm tub baths will help. Most of the time these resolve quickly. ...Read more

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Pls advice me, what is the meaning and causes of intestinal edema. It was seen on colonoscopy?

Pls advice me, what is the meaning and causes of intestinal edema. It was seen on colonoscopy?

Something minor: Edemea of the lining of intestine is a nonspecific finding. It can be caused by minor inflammation and should settle down on its own as long as your bowel movements are normal and you are free from diarrhea and abdominal pain. ...Read more

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On average how long does a colonoscopy and endoscopy done at the same time take? Will the sedation cause funny behavior after like anesthesia does?

On average how long does a colonoscopy and endoscopy done at the same time take? Will the sedation cause funny behavior after like anesthesia does?

Short sedation: EGD (upper endoscopy) can be as short as 5 minutes, with biposies most of them accopmlished in ~15 min. Colonoscopy takes longer, most fit in the timeframe of 20-40 minutes. The sedation used for the procedure is quite deep usually and approaches/equals Total Intravenous Anesthesia, TIVA. Due to nature of the drug (s) used the recovery may vary but usually is pretty fast and free of side effects. ...Read more

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hemoglobin dropped to 5.2 over 2 -4 month. No signs of bleeding. Endoscopic & colonoscopy neg. What else does this? Hx of bleeding w 6.5 know cause

hemoglobin dropped to 5.2 over 2 -4 month. No signs of bleeding. Endoscopic & colonoscopy neg. What else does this? Hx of bleeding w 6.5 know cause

More info: Many things can cause anemia. Losing blood or not producing blood. The scopes ruled out obvious causes. But the small intestine is not seen with those scopes. It is also possible that your bleeding is intermittent and was not active at the time of the scope. There are additional tests such as bleeding scans, capsule endoscopy which may help. If no GI source identified see hematologist ...Read more

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I is it possible to cause splenic flexure syndrome after a colonoscopy?

NO: No it will not cause it. You may have some cramping etc after the colonoscopy due to the air put in the colon curing the colonoscopy. ...Read more

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Can sedation for colonoscopy cause risks to someone with taccycardia or svt?

Can sedation for colonoscopy cause risks to someone with taccycardia or svt?

Any procedure has: Risk. However, sedation for colonoscopy is considered to be light and low risk. There are anesthetic agentst that casue tachycardia like ketamine (less frequently used) that needs to be avoided. You need to know that you will be monitored and if your blood pressure or heart rate changes, all the necessary steps will be taken by the anesthesiologist. ...Read more