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Bell Palsy MeSH Descriptor Data 2023

MeSH Heading
Bell Palsy
Tree Number(s)
Unique ID
RDF Unique Identifier
Scope Note
A syndrome characterized by the acute onset of unilateral FACIAL PARALYSIS which progresses over a 2-5 day period. Weakness of the orbicularis oculi muscle and resulting incomplete eye closure may be associated with corneal injury. Pain behind the ear often precedes the onset of paralysis. This condition may be associated with HERPESVIRUS 1, HUMAN infection of the facial nerve. (Adams et al., Principles of Neurology, 6th ed, p1376)
Entry Term(s)
Acute Idiopathic Facial Neuropathy
Acute Inflammatory Facial Neuropathy
Bell's Palsy
Facial Neuropathy, Idiopathic Acute
Facial Neuropathy, Inflammatory, Acute
Facial Paralysis, Idiopathic
Herpetic Facial Paralysis
Idiopathic Acute Facial Neuropathy
Inflammatory Facial Neuropathy, Acute
Previous Indexing
Facial Paralysis (1966-1999)
Public MeSH Note
2000; for BELL'S PALSY see Facial Paralysis 1966-1999
History Note
2000; for BELL'S PALSY use Facial Paralysis 1966-1999
Date Established
Date of Entry
Revision Date
Bell Palsy Preferred
Herpetic Facial Paralysis Narrower
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