Metronidazole
"I did a google search for being on Cipro and Flagyl for diverticulitis for a few days because I was thinking there has to be a reason why these meds make me feel so bad and there has to be someone else who has shared this same Horrible experience! And then I read all of your reviews and as awful as these meds are they do actually help to make the pain go away and it's nice to know I'm not suffering alone! :)"