Bell’s palsy: clinical features

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Bell’s palsy: clinical features. The weakness affects the upper and lower parts of the face. Fully referenced neurology checklist.

Facial weakness

  • The weakness affects the upper and lower parts of the face
  • There is drooping of the brow and the angle of the mouth
  • There is incomplete eyelid and mouth closure

Associated features

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Associated clinical signs

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Features of aberrant renervation

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Poor prognostic factors

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Synonyms

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References

  1. Ropper AH, Brown RH. Principles of Neurology eigth edition. McGraw Hill New York 2005.p1180-1181.
  2. Finsterer J. Management of peripheral facial nerve palsy. Eur Arch Otorhinolaryngol 2008; 265:743-752. 
  3. Cho HJ, Kim HY. Interesting sign of Bell's palsy in an ear wiggler. Neurol Sci 2009; 30:345-347.
  4. Oancea A, Stebner A, Lieb J, et al. Signe de cils in peripheral facial palsy. Lancet 2026; 407:1984-1986. 
  5. Armand CE, Robbins MS. Teaching NeuroImages: Sucking candy sign in Bell palsy. Neurology 2017; 89:e235. 
  6. And 4 more. Subscribe to see the full list

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