Cystitis means inflammation of the bladder. It is usually caused by a urine infection. Some women have repeated bouts of cystitis. Doctors define a recurrent infection as either three proven separate infections in a year, or as two in six months. In many cases there is no apparent reason for a woman to get frequent attacks of cystitis.
This is a companion discussion topic for the original article at https://patient.info/womens-health/lower-urinary-tract-symptoms-in-women-luts/recurrent-cystitis-in-women