Bisacodyl
"I'm giving this a 5 because I have no idea if it works or not... Yet ;). I took 1 pill after not having a BM for 3 days. Never having had constipation like this before I've never taken any laxitive type medication before. I really wish I had read these reviews prior to picking this up at the market. I guess time will tell. My sister had taken a similar product a few years back, took 3 and was in  excruciating pain the entire night and well into the next morning.So, to be on the safe side I only took the 1 pill. At least I'll know I'm not actually dying if I go through the hell all the other reviewers describe. Hoping it'll all work out smoothly. ( pun intended "