Donnatal is an anti-spasmodic. Although I don't take that particular brand, I do take a different anti-spasmodic and it does seem to help some. I actually tried a couple before I settled on the one I am on now because the other two didn't do much. There are quite a few on the market so if this one doesn't work make sure to let your doctor know.
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Dx: IBS 1989, Diverticulosis 2004, UC 2005, Sjogren's 2006
Meds: Sulfazine EC, Mesalamine, Chlorzoxazone, Oxaprozin, Symax SL, Protonix, Xanax XR, Supplements