What is the role of anesthesia-based treatment of postherpetic neuralgia (PHN)?

Updated: Feb 11, 2021
  • Author: Camila K Janniger, MD; Chief Editor: Dirk M Elston, MD  more...
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Although anesthesia-based interventions such as local anesthetic blocking of sympathetic nerves or stellate ganglion blockade may produce transient relief, their effectiveness in reducing the protracted pain of PHN remains to be determined. Transcutaneous electric nerve stimulation (TENS) and, if necessary, neurosurgery (eg, thermocoagulation of substantia gelatinosa Rolandi) have been found to be helpful in exceptional cases.

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