February 14th, 2011

Can colonoscopy cause diverticulitis?

Many of you out there have done many tens of thousands of colonoscopy like I have and are well aware of the complications most known to be associated with this procedure, like bleeding or perforation. And most of us are aware of very unusual complications that have been reported, such as splenic lacerations or barotraumas.

However, I recently had a patient develop acute diverticulitis within 24 hours of colonoscopy, and I have consulted in the last year on another patient who developed diverticulitis shortly after the procedure.

Although diverticulitis precipitated by colonoscopy prep or the procedure itself (microperforation from the bowel prep, pressure from the shaft of the instrument or air infused during the procedure, etc.) is plausible, there seems to be little in the literature on this subject.

One reason for the lack of data might be that there is not really an association, that these are two unrelated events. Another might be that because diverticulitis is not immediately evident (like bleeding or perforation), the causal link has been missed, given that delayed complications are not often reported in large series of procedures.

So I am asking you endoscopists out there:
1) Have you observed diverticulitis in a patient shortly after a colonoscopy?
2) Do you think the procedure can cause diverticulitis?
3) If so, what do you think the mechanism is for this complication?

I look forward to hearing from you.

66 Responses to “Can colonoscopy cause diverticulitis?”

  1. Tom says:

    Am a family doc with a history of diverticulitis 18 years ago. Find since, developed diverticulitis two weeks after colonoscopy. As there is a reasonable mechanism for a causal association, this is probably a reasonably rare but significant complication of the procedure and should be studied.

  2. Janet Saluk says:

    I am a nurse practitioner who developed diverticulitis last week– and had a routine colonoscopy in mid August that showed diverticula
    I have never had this before–and had been eating the healthiest I have ever eaten and exercising regularly-and was feeling best I had in a long time
    In hindsight, I have had some mild discomfort after BM’s for a week or so–so was probably smoldering for a while. Also, while undergoing my Miralax prep, I noticed small “plugs” near end while rest was clear…could these have been materials released from diverticula??? z
    This def merits further retrospectives study!

  3. Randy says:

    Thank goodness I found this blog. I had a routine (50yo) colonoscopy with two polyps clipped. Within 48hours I developed flu-like symptoms which lasted 36hours and then an extreme lethargy/exhaustion with left lower quadrant pain for the next 4 days. I have never felt more “out of it”, dazed, faint, lightheaded, one simple task required 3-4 hours of recovery/rest. All with profuse sweating, constantly. One week after the procedure with this “exhausted/daze/haze” I was living in, I saw my regular MD and the GI doc. I thought I was anemic and/or septic or both or crazy. They both said it sounded like a “virus”. Cipro and Flagyl cleared it up almost instantly. Neither MD would admit nor link it to the colonoscopy. However now that I see this blog I am sure it was Diverticulitis secondary to the procedure. The GI doc did say I had pretty bad Diverticulosis. Whether it was the prep or the scope or the air, I guess I will never know but clearly the direct correlation just can not lie. The earlier posts on this link started with older docs stating they have never saw these complications post colonoscopy. Now that the “American diet” is making us unhealthier inside and out, I wonder if complications from colonoscopies are going to be much more common than the older generation MDs experienced. I agree this is a phenomena which should be studied, reported and presented to patients as part of the risks. Due to my family history with colon cancer I will have to do this every 5 years. Next time I will do some homework and see what diet I can do to avoid this situation from happening again. This was truly not a fun week.

  4. Rose says:

    One year agim I had my first colonoscopy which came back with a normal result outside of a very tiny polyp removed from the rectal area. Eight weeks later, I had full blown diverticulitis. It was in my lower left abdomen area (nowhere near the area where they removed the polyp. Ten months later, I started having dull pain all across my belly and ended up in the hospital with collapsed colon, fecal impaction, and small intestine dialation. I never had problems before. I am so regular that I “go” every day within a two hour period. I don’t smoke, don’t take pain medications, and I’m not diabetic. I eat a balanced diet, don’t like cheeses or dairy products, and rarely get constipation. I am completely convinced that my intestinal issues were caused by that colonoscopy. I must point out that if most people are like me, they ended up in the ER or at their doctor’s office with these issues and probably never report them to the person who performed the colonoscopy. To really find out whether or not there is a link, you may have to survey patients a year after the procedure and ask if they have experienced an onset of intestinal issues in that time period. I really do think that colonoscopy is to blame for the issues I battle now. Sadly, I’d have to get another colonoscopy to find out what kind of damage is present today, just one year later. It is what I intend to do because I’d like some answers.

  5. Debbie Smith says:

    My father was diognosed with diverticulitis several yrs. ago. Had a colonoscopy with polyp removal which was biopsied and found to be benign. Within two weeks of the procedure had severe abdominal pain, gas diahrea , I believe prophylactic antibiotic therapy would have been of great benefit if not preventing this ‘flare up’ altogether. Yes , absolutely there is a connection, especially when the pt. is known to have history of diverticulae and diverticulosis. Of course no one wanted to be responsible or admit the corelation so even after begging for antibiotics for my Dad, none were given until formation of fistula, introducing colon contents into his stomach, proven after nausea became overwhelming and NG tube placement revealed what had been causing it. It was too late for my Dad….for God’s sake someone get a Grant and a study group together for proof, or at the very least give antibiotics prophylactically for ANY surgical procedure, aren’t Dr.s aware that 70-90% of good and ‘bad’ bacteria live in the colon!?

  6. micharl kahler says:

    I had a colonoscopy and it was noted that I had Diverticulitis, but no issues. The Sunday following my colonoscopy on Monday I had to go to the ER for severe pains on my left side. Thought it was kidney stones but it was Diverticulitis. I think the procedure caused the issue.

  7. Mazr says:

    I recently had my first colonoscopy and coincidentally had my first bout of diverticulitis about a week later. And while correlation does not necessarily indicate causation, I find it hard to believe that it is only a coincidence. I think it should certainly be studied, but I definitely will not have another colonoscopy for at least five years after this (I had no polyps.)

  8. Dennis says:

    I had a colonoscopy October 28th, 2014 one small benign polyp removed. No immediate issues. then the following week I noticed a dull intermittent pain in left lower abdomen. After 4-5 days, went to Doctors. He diagnosed Diverticulitis and prescribed Cipro and flagyl and this resolved the pain.
    Three weeks later, December 2, I have a blackout syncope accompanied by incontinence and bloody diarrhea. Two nights in hospital while they ran tests (Xray,Cat-scan, EKG, Heart Echo scan, numerous blood tests.) Drs did not do a new colonoscopy due to the fact that I’d had one approx. 1 month ago.
    Best diagnosis was “Acute GI Bleeds, currently resolved” Causation was not clear.
    No previous incidence of diverticulitis, or lower GI bleeding. I think the subsequent issues are related to Oct 28th colonoscopy.

  9. Dean says:

    I had a colonoscopy at age 52. Up until then I had no issues with my digestion and had never had constipation, regular bowel movements every morning. For three days after the colonoscopy it felt like water was sloshing around in my gut and I felt pressure on my bladder. Going to my regular Doctor for a follow up the next month she diagnosed diverticulitis. My digestion is still not right after 2 years. I am convinced the colonoscopy caused it.

  10. Nancy Perron says:

    I had a coloscopy two weeks ago on a friday Nov 30, 2014. On Sunday night at 1am, I started with extreme pain (LLQ) and diarrhea. After 24 hours I went back to my GI who had conducted the procedure.

    I saw my GI on Tuesday where he tested me for C. Difficile. Tests came back negative. I went back to my family doctor on Thursday who put me on immodium to rest the bowels.

    On the following Monday (day 9) I returned and saw another doctor as there was no improvement. I am now on antibiodics for what she suspects maybe diverticulitis. I have been free from diarrhea/pain for 24 hours without the benefit of immodium.

    I am not aware that I had/have diverticulitis. The initial colonoscopy was ordered due to previous intermitent issues with diarrhea and vomiting which was suspected as being related to crohns (family history). I do not believe my GI saw divertculitis during the procedure or he would likely have treated me when I retunred to him on Tuesday presenting with pain in LLQ and diarrhea. I am a 57 year old female.

  11. lisa quested says:

    Had a sigmoidoscopy and 3 weeks later had my 1st diverticulitis attack. Have had diverticuliae for at least 5 yrs. Had the test for chronic constipation.

  12. lisa says:

    Hi, 48 yrs old and I had abdominal pain for weeks and went to GI doctor. He set up colonscopy for 12/30. I had one small and one large polyp. I have had back pain since which i think is due to the way they positioned me. Also, i am feeling some tenderness when i press middle of stomach, it radiates to right side where i had the polyp and pain before. Hoping normal to have pain after is normal. No fever or chills or bleeding.

  13. Dennie says:

    I’m 57 years old, had a bout of diverticulitis 3 weeks after lifting and throwing something very, very heavy and slipped, twisting the sigmoid area. My physician ordered a colonoscopy after I got well. I have moderate diverticulas in the sigmoid and a normal ileum and cecum, no polyps, no tumors, no cancer. Less than one week after I had the colonoscopy I once more have developed diverticulitis, after being free of it for nearly three months. So yes, there is a connection between seriously messing with this part of the body, inadvertently such as a traumatic accident or shoving crap up there for “miles and miles,” just to explore. Even under “controlled” medical conditions. I say it like I see it– this is Medieval torture designed to make money for the Cancer Industry. Skin cancer is The Number One form of cancer in the U.S. and NO ONE insists on checking all of your skin every year, mainly because it’s just not profitable for the shareholders– unless, of course, you actually get cancer. Sheesh.

  14. Dennie says:

    To clarify: I had a first bout of diverticulitis three weeks after the hillside slipped out from under my foot while chucking a large tree branch, seriously twisting my torso to the right and rapidly compressing the sigmoid area. I felt very overheated in the lower abdomen for three weeks, then the first bout of diverticulitis started. I was treated with flagyl and an antibiotic. My physician ordered a ‘scopy for me and I went through with it on Wednesday, 12/31/14. I came down sick, again, with yet another bout diverticulitis, on Tuesday, 1/6/15.

    I do not have a terrible diet, I eat salads with at least four kinds of lettuces, shredded carrots, two kinds of cherry tomatoes and grilled chicken breast with a wonderful vinaigrette dressing, at least four times a week. I eat whole-grain bread, oatmeal, some eggs, a little cheese and butter and I drink every kind of milk. I have not had as much exercise as I’d like and am working on it. I do not drink more than two glasses of red wine in a week. I’m not eating twinkies and bon-bons, sitting around doing nothing all day long, watching teevee at night (my t.v. doesn’t work and it’s going to stay that way– I like the “pictures” much better when I read a book ; ). We are hearing out of one side of The Mouth that you must eat a low-fiber diet to “cure” diverticulitis, because FIBER CAUSES it, then once well, we are told to eat a high-fiber diet– WWT? This kind of “logic” makes ZERO sense.

  15. Jim Fiorino says:

    I had my second colonoscopy in October of 2014. During the first one they removed a polyp and made no mention of diverticulitis. They removed a large polyp during the second one and said they had to “clip” the area. I actually woke up in pain during this colonoscopy which was very upsetting. When I went for my follow-up, the Dr. said that I had mild diverticulitis. Since the procedure I have had frequent bouts of nausea, gurgling stomach, and constipation which I never had prior. I believe that the procedure is causing this.

  16. Madeleine Chaleyer says:

    I have had a couple of colonoscopies (5 year intervals), because of a history of Bowel cancer in my family. Purely investigative and not because I had any symptons. I had no after effects from these two previous colonoscopies. The last one indicated diverticula but nothing serious. But I have had another colonoscopy 10 days ago, and this time I have been having pains in my gut area and other unusual discomfort. This time it was reported that I had advanced diverticulitis (weird because I’d never had symptons). I found this blog because I think the colonoscopy may have caused my symptons.

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