Mary, sorry to hear you're having such a bad time of it! Over the years I have noticed that I sometimes have very bad days, followed by great days. I have gone over what I had to eat, activity levels, etc and have yet to come up with a consistent reason for what I call a mini-flare. In my never ending hope that the pain may be linked to something other than the CD, I try to eliminate the flu/food poisoning/etc options as well. "Sharp stabbing" is very often gas (at least that's what my doc says anyway). Bottom line though is if it gets really bad, ER, if it continues at any kind of tolerable level, call the doc. Hope you are feeling better soon!