sinusitis
"I was just fine on Cefdinir for first six days (actually, remarked how this was one antibiotic that didn't wipe me out).   I did take probiotics with it, along with the prednisone tables (bronchitis and sinus infection).   Then on the seventh day, when I took the last two, the cramping started.  OMG.  I am so sick!  It has been two days since I finished the dosage, and I have constant stomach ache and have trouble breathing.   Gax X doesn't help the cramps much.   I wish I read these reviews before I took this stuff.  So, this is going to last and last and then, if it goes away, it comes back another day?   That looks to be what I'm reading."