Cystitis means inflammation of the bladder. It is usually caused by a bacterial bladder infection in the urine which responds well to a short course of medicines called antibiotics. Occasionally it may improve without the need for antibiotics. Cystitis clears quickly without complications in most people.
This is a companion discussion topic for the original article at https://patient.info/womens-health/lower-urinary-tract-symptoms-in-women-luts/cystitis-in-women