1. Cystitis - acute : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
Acute cystitis occurs when the lower urinary tract (urethra and bladder) become infected by bacteria. Most cases are caused by Escherichia coli (E. coli), a bacteria found in the intestines. When you urinate, you help remove bacteria from the blad...• Reviewer: Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

2. Cystitis - recurrent : Causes, incidence, and risk factors  (Trust Mark: Doctor-Reviewed)
Recurrent cystitis is most often caused by a type of bacteria called Escherichia coli (E. coli), the leading cause of all urinary tract infections. About 25 - 50% of all young, healthy women who have their first infection will develop a second one...• Reviewer: Linda Vorvick, MD, Seattle Site Coordinator, Lecturer, Pathophysiology, MEDEX Northwest Division of Physician Assistant Studies, University of Washington School of Medicine. Also reviewed by Reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.