The side effects can stop you in your tracks!  There is no cure for the side effects!  Before you pop a pill to try to either kill an infection or prevent one, make sure you read everything you can if it is in the Fluoroquinolone class of antibiotics.  The most common are called Cipro and Levaquin.  Because they are broad spectrum antibiotics, doctors are prescribing them too often putting patients at risk for dangerous side effects.