Yes, usually it's recommended to drink the whole thing. Even though we go to the bathroom all the time there is still fecal matter higher in the intestine. That is why the prep is needed. To get rid of that high fecal matter. It takes approximately 12-72 hours for what we eat to reach our rectums so we can get rid of it. So even if you think there is nothing in there after a bathroom dash, there still is because food is constantly being processed.
Which prep are you using? I had to use Moviprep on my last scope in April but I found that this worked so well that I didn't even have to use the second liter. I would suggest you not eat anything the day before the scope. Clear liquids only - no blue or red dyes. This is what most doctors suggest too btw. It makes the clean out much more easier. And depending on which prep you are using, you may be able to get away with not having to use the whole thing. Basically when you are prepping, after a while whatever you expel should be clear. When it's clear then your good to go.
Moderator for Allergies/Asthma and Co-moderator for UC
~Left sided Uc-'92-Colazal(9 daily),6mp(50-100mgs),Bentyl, Prilosec,Biotin,Forvia,Pro-Bio**Unable to tolerate Asacol, Rowasa or Canasa**~Year-round allergies-Singulair, Zyrtec~Secondary Reynauds Syndrome-'04-Norvasc~Sacroiliitis-epidural injections~bulging and herniated discs C5/C6 & C6/C7~3 epidural injections-second series starts 2/17, OA in my fingers -Celebrex, Tylonel Arthritis and Voltaren Gel
To help Healingwell - click here: DONATE