Clear Liquids Before Colonoscopy Not a Must !!!!

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Veteran Member

Date Joined May 2003
Total Posts : 9448
   Posted 11/1/2011 3:45 AM (GMT -7)   

From the American College of Gastroenterologists conference:

WASHINGTON -- Colonoscopy was as successful on patients allowed a full liquid diet -- including foods such as pudding and oatmeal -- as for those restricted to only clear liquids, researchers reported here. ...

See full abstract at:

My computer says I need to upgrade my brain to be compatible with its new software.

Veteran Member

Date Joined Dec 2010
Total Posts : 2752
   Posted 11/1/2011 6:41 AM (GMT -7)   
Thank you very much. It's something really promising that one can have ice cream and milk the day before the colonoscopy. My regular doc does not approve of the clear diet and gentle laxatives. On the contrary, he favors mannitol (a very aggressive pre), 8 laxative tablets and 2 enemas the day before the colonoscope and allows one to eat normal food the day before before taking the mannitol. I loathe mannitol, can't drink the 500 mls and become very nauseated. When I did the enteroscope last summer with another doc, they asked me to avoid any high fibers two days before the scope, have a clear liquid diet the day before the scope along with magnesium citrate laxatives. I thought at that time, that this was humane in comparison to the Ugh! mannitol. Next time I'll have a scope, I'll show this abstract to my doc.
Take care!

Elite Member

Date Joined Jan 2010
Total Posts : 10095
   Posted 11/1/2011 8:36 AM (GMT -7)   
This literally could not be more timely for me, given that I'm going on a clear liquid diet tomorrow in preparation for a colonoscopy on Thursday.

That said, I've always been allowed to have a full liquid diet on the day before the colonoscopy! Well, not the whole day but a part of it at least. Then once the Moviprep has been taken (the time varies according to whether it's a morning or afternoon colonscopy), I switch to clear fluids.

This time round it's different 'cos I'm on a full liquid diet at the moment anyway, so I'm allowed to skip the Moviprep (yay! :p) and just do a day of clear liquids instead.

Veteran Member

Date Joined Apr 2008
Total Posts : 1522
   Posted 11/1/2011 3:31 PM (GMT -7)   
Instead of a clear liquid diet, I used to use a low residue food called Nutra-Prep before all of my procedures. It was a box of real food; chicken noodle soup, shakes, chocolate snack bars, potato crisps, and applesauce. I could eat anything from the box up until 5:00 pm, then I switched to clear liquids. It was awesome. I wasn't hungry and felt fine the next morning.

I had 4 colonoscopies and a resection using this food and the doctors were always fine with it. The food seemed pretty standard when I compared the ingredients to regular store products.

Unfortunately, the company stopped making it because too many docs wouldn't allow their patients to use it. One doc refused to allow me to use it, he said he wouldn't even let me schedule procedures unless I agreed to do it his way. I used it anyway and he never knew.

Elite Member

Date Joined Feb 2004
Total Posts : 20577
   Posted 11/1/2011 8:36 PM (GMT -7)   
The way I see it, if it aint broke, don't fix it....I will continue my usual routine of clear liquid diet a few days before prepping as well as day of prep. It makes the prep much easier on my gut cutting way down on cramps and trips to the toilet. And as directed by 4 different GI's avoiding colours like red, purple and brown makes it easier for them to see things while scoping.
bee propolis caps 500mg one cap twice/day
omegas 369 caps one cap twice/day
probiotics 10 billion cfu once/day
vitamins C-calcium ascorbate (easy on the gut) and vitamin A each once/day
Prodiem fibre supplement one cap before bed
I've also altered my diet (no junky stuff at all, processed, fast-foods, refined sugars, ect) and exercise regularly.
I went from 30+ bloody BM's/day with lots of lower back pain to an average of 5/day no bleeding no back pain and completely formed stools, still have severe urgency issues.
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Elite Member

Date Joined Jan 2010
Total Posts : 10095
   Posted 11/1/2011 8:50 PM (GMT -7)   
To add to what pb4 said, I too have been told to stay away from dark drinks during the liquid part of the prep. So tomorrow there'll be no blackcurrant juice for me: just lemonade and cream soda flavoured with raspberry (the drink is clear; not a tinge of red in it). And clear(ish) home-made chicken stock.

Veteran Member

Date Joined Oct 2009
Total Posts : 1070
   Posted 11/1/2011 9:22 PM (GMT -7)   
It might be good to remember that they are in there looking for anything out of the ordinary like a cancer. The more clear and pristine the intestines are the more likely they will be able to spot a tiny problem. At least that is what i am thinking. Of course when it is time for my next prep (coming soon) I may not be whistling this tune as merrily!
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