Common side effects of antibiotics, such as Chat Stomach, Diarrhea and Vaginal Infections . Some form of antibiotics, particularly cephalosporins, clindamycin, or fluoroquinolones, induce colitis, an inflammation of the colon in some individuals. This type of colitis is a toxin produced by the bacterium Clostridium difficile, which is resistant to many antibiotics, and [...]