Is there a colonoscopy prep without bisacodyl tablets?

Yes. Some doctors use a small bottle of MiraLAX (polyethylene glycol) with 2 32 oz bottles of gatorade, this can be further assisted with a liquid diet for a few days to clear the colon.
Other options . There are many preps available. Options will vary with the endoscopist. It is best to discuss this with your doctor as he is the one who will advise you on the prep. A common option is a golytlely or CoLyte (polyethylene glycol) prep which involves consuming 4 liters of a peg solution.

Related Questions

Is there any colonoscopy prep you can take without taking bisacodyl tablets?

Many options. There are many preps available. Options will vary with the endoscopist. It is best to discuss this with your doctor as he is the one who will advise you on the prep. A common option is a golytlely or CoLyte (polyethylene glycol) prep which involves consuming 4 liters of a peg solution. Read more...