Is it bad to keep taking antibiotics often for bladder infections?

UTI's: The question here is why are you having frequent uti's requiring antibiotics. Second are these proven uti's by urine culture. Many times you have urinary symptoms that may not be caused by uti's. And yes, is not good to take a lot of antibiotics, it may lead to bacterial resistance and in a female to vaginal infections that may lead to more uti's. See a urologist and get a work up.