I was put on cipro (ciprofloxacin) for diverticulitis but reacted to it - tendons of knees and feet severely swollen. will taking only flagyl be enough ?

Medical re-evaluatio: You should contact your health care provider now. Metronidazole not adequate but depends how long you were on Ciprofloxacin and on the severity of the diverticulitis.

They cover : Different bacterial organisms. Hence, you need to discuss with your doctor. Cipro (ciprofloxacin) covers gram negative bacteria. Flagyl covers anaerobes and gram positive.