bowel preparation
"I am 63 and this was my first colonoscopy!  I followed all of the instructions and read a lot of the reviews on here so that I could be prepared.  The first dose went down pretty well and I didn't have any trouble drinking the water.  Everything kicked in by 30 minutes and within 2 hours I was pretty cleaned out. In the morning I prepared to take the 2nd dose and thought it was going to be a breeze.  I started drinking the mixture and immediately realized this was not going to be as easy.  I got about 1/2 down when it kicked in again. I struggled to finish the entire dose and was able to get most of the water down before I experienced projectile vomiting. Luckily I was cleaned out enough and the procedure went great."