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Related Experiment Video

Updated: Jun 20, 2026

Single-stage Dynamic Reanimation of the Smile in Irreversible Facial Paralysis by Free Functional Muscle Transfer
19:53

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Published on: March 1, 2015

Recurrent Bell's palsy.

Sung Hwa Dong1, Ah Ra Jung1, Junyang Jung2

  • 1Department of Otolaryngology - Head & Neck Surgery, School of Medicine, Kyung Hee University, Seoul, Republic of Korea.

Clinical Otolaryngology : Official Journal of ENT-UK ; Official Journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery
|January 24, 2019
PubMed
Summary

Recurrent Bell's palsy affects 6.5% of previously affected individuals, with no difference in prognosis based on the affected side. Recovery rates are lower for recurrent cases compared to primary Bell's palsy.

Keywords:
Bell's palsyfacial palsyrecurrent

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Area of Science:

  • Neurology
  • Ophthalmology
  • Otolaryngology

Background:

  • Recurrent facial palsy, first described in 1871, lacks clear definitions, classifications, pathogenesis, and treatment guidelines.
  • Systematic reviews and meta-analyses on recurrent Bell's palsy are notably absent in existing literature.

Purpose of the Study:

  • To systematically review and conduct a meta-analysis to evaluate the clinical manifestations of recurrent Bell's palsy.

Main Methods:

  • A comprehensive search of SCOPUS, PubMed, Cochrane Library, and EBSCO databases was performed up to May 1, 2018.
  • Studies involving patients with recurrent Bell's palsy were identified using "recurrent Bell's palsy" and "recurrent facial palsy" as search terms.
  • Twenty-seven studies with 1041 patients from 13 countries were analyzed, with five studies (191 patients) included in the meta-analysis.

Main Results:

  • The mean incidence of recurrent Bell's palsy among previously affected patients was 6.5%.
  • The recurrence rate varied from 0.8% to 19.4% across analyzed studies.
  • No significant impact on prognosis was observed based on the sidedness of recurrent disease relative to the original episode.

Conclusions:

  • Recurrent Bell's palsy has a mean incidence of 6.5% in patients with a prior history of the condition.
  • Complete recovery occurred in 66.0% of all Bell's palsy patients, with lower recovery rates in recurrent cases versus primary cases.