What could be the cause of my recurring UTI?

Claire asks:I have a recurring UTI. I was given a low-dose antibiotic to take for six months, but after two months the problem continues. I did have netting put in for a leaking bladder about 10 years ago, could this be the cause?Megan O. Schimpf, MD, responds:Recurrent UTIs can be a frustrating and uncomfortable problem for patients, but the good news is that they rarely progress to serious