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Bell's Palsy (Signs&Symptom (Hyperacusis, Ageusia, Sudden onset of…
Bell's Palsy
Causes
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Compression, possible ischemia, and demyelination of cranial nerve VII, owing to inflammation at geniculate ganglion, due to viral infection
Risk factors
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Sex
In adolescent, more common in female
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Pathology
Bell palsy is the paralysis of facial muscles, generally unilateral, caused by acute lower motor neuron weakness of cranial nerve VII (facial nerve) with no detectable cause
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Signs&Symptom
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Sudden onset of unilateral facial weakness that evolves rapidly 
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Difficulty closing the eye on the affected side
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