Bell palsy, also termed idiopathic facial paralysis (IFP), i
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Dr. Murari M
Bell palsy, also termed idiopathic facial paralysis (IFP), is the most common cause of unilateral facial paralysis. It is one of the most common neurologic disorders of the cranial nerves . In majority of cases, Bell palsy gradually resolves over time, cause is unknown.

Signs and symptoms

Signs and symptoms of Bell palsy include the following:

Acute onset of unilateral upper and lower facial paralysis (over a 48-hr period)

Posterior auricular pain

Decreased tearing

Hyperacusis

Taste disturbances

Otalgia

Weakness of the facial muscles

Poor eyelid closure

Aching of the ear or mastoid

Tingling or numbness of the cheek/mouth

Ocular pain

Blurred vision

Flattening of forehead and nasolabial fold on the side affected by palsy

When patient raises eyebrows, palsy-affected side of forehead remains flat

When patient smiles, face becomes distorted and lateralizes to side opposite the palsy

See Clinical Presentation for more specific information on the signs and symptoms of Bell palsy.


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