Botulinum toxin for OAB

Botulinum toxin injections can relax the bladder muscles to help reduce overactive bladder symptoms when other treatments haven’t worked. This page explains how the treatment works and what to expect.

This chapter contains general information about the treatment of OAB. It is not a substitute for professional medical advice or treatment. Always consult your doctor or healthcare provider for guidance on your individual medical situation.

Last updated: August 2025

Reviewed by:

  • Dr. Cyrille Guillot-Tantay (YAU Working Group on Functional Urology)
  • Mr. Tomasz Michalek (Patient Office EPAG)