this post was submitted on 24 Feb 2026
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About 15 years ago I got my first colonoscopy and back than the prep was just horrible.
You basically went without food the entire day before, while at the same time take these prep meds that made you shit every hour or so. Good lord it was horrible as hell. If memories serves I was allowed to drink the day before but nothing the day off.
You get dehydrated so fast and it wild how terrible that makes you feel. Add to that, the taking a shit contstantly and almost immediately you are not shitting, it is more like pissing out of your ass.
The prep you have to do now is not that intense and really isnt that big of a deal, comparatively,.
As far as I know the fast today is the same as it ever was. Different doctors have different protocols though. One reason I have not done another colonoscapy is because of the prep but I want to find a doc that will do the prep with pills. My wife after he last is in agreement with me.
The fast is the same but the process of making you clear your intestines is so much better, you donβt have to keep drinking that stuff that makes you shit every hour. That helps with the dehydration and the total misery of it all.
The prep really isnβt that bad.. now.
yeah my wife just did it and it was keep drinking the stuff method. Again I do not different doctors use different things. also had the fasting. its still around and it still sucks.
15 years ago is 2011 but you made it sound like 1911.
Besides all that, how would a doctor let you be dehydrated? If oral fluid is off the table, what stopped you from an intravenous one?
How much the process has changed in the last 15 years it may as well have been 1911.
Have you ever been put under a general anesthesia as part of an outpatient procedure?
You are always dehydrated when that starts.