What causes overactive bladder?

Written by Jameson Kowalczyk. Medically reviewed in February 2024 by Ann Wendling, MD, MPH.

Updated on October 23, 2024

An overactive bladder can be caused by drinking too much water, but it can also be a symptom of a urinary tract infection or diabetes. Watch urologist Harry Fisch, MD, explain the various reasons you may be experiencing frequent urination symptoms.

Medically reviewed in November 2020.

Interactive

Interactive Physician Consultation: Overactive Bladder (OAB)

Interactive

An Interactive Journey Into OAB

Take this interactive tour to see how an overactive bladder can get in the way of your life and why treatment is essential to finding relief from OAB.