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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 2026

Reviewed by: 

  • Dr. Mesut Berkan Duran (EAU Guidelines Panel on Non-Neurogenic Male LUTS)
  • Assoc. Prof. Mikolaj Przydacz (YAU Working Group on Functional Urology)
  • Assoc. Prof. Nikolaos Pyrgidis (EAU Guidelines Panel on Non-Neurogenic Male LUTS)