My son (17) contracted campylobacter and had a particularly bad case- two ER visits to rehydrate after intense vomiting and diarrhea--and then nearly a month later-needed an endoscopy to figure out continuing issues with nausea- the gastoenterologist said his system appeared sluggish as a result of the illness- put him on a Scopolamine patch and Prilosec--symptoms slowly improving. That was three weeks ago. Now he is showing symptoms of soreness and aching/discomfort in his arms and trunk, and knees---? Is this possibly arthritis , one possible result of exposure to campylobacter that I read about? I plan on taking him to the doctor but it is the weekend? His symptoms only partially helped by Tylenol ...