I always thought incontinence caused by a pinched nerve is a medical emergency, but if you trust your chiropractor to know better best of luck to you. I still think you would be better served by seeing a suitable medical practitioner.
PS: I am not charging you for this medical opinion.
PPS: If for any reason you are unhappy with what I've said, you can always seek a second opinion, preferably a IRL consultation with a suitably qualified practitioner.
There were always certain foods that I couldn't tolerate, with others I will get varying mileage. IBS alone could give the symptoms described, I know this for a fact. You may need to get very serious about what you shovel into your mouth.
You freely admit to seeing a Quack for whatever reason, as somebody who suffers degenerative disc disease (don't we all) you have my sympathies.
TMI.Ah well as is said; Old soldiers never die, they just fade away.