Diagnosaurus
Facial palsy (Bell's palsy)
Etiology
- Bell’s palsy (idiopathic)
- HIV
- Lyme disease
- Sarcoidosis
- Ramsay Hunt syndrome (herpes zoster of geniculate ganglion)
- Acoustic neuroma
- Acute or chronic otitis media
- Malignant otitis externa
- Guillain-Barré syndrome
- Tumor, eg, parotid, temporal bone tumor
- Brainstem infarct
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Last updated: December 1, 2014
Citation
Zeiger, Roni F.. "Facial Palsy (Bell's Palsy)." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114837/all/Facial_palsy__Bell's_palsy_.
Zeiger RFR. Facial palsy (Bell's palsy). Diagnosaurus. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114837/all/Facial_palsy__Bell's_palsy_. Accessed May 15, 2025.
Zeiger, R. F. (2014). Facial palsy (Bell's palsy). In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114837/all/Facial_palsy__Bell's_palsy_
Zeiger RFR. Facial Palsy (Bell's Palsy) [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2025 May 15]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114837/all/Facial_palsy__Bell's_palsy_.
* Article titles in AMA citation format should be in sentence-case
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