History

• Character of Facial Paralysis: onset, duration, and progression of paralysis

• Contributing Factors: recent infection or illness, trauma (birth trauma in neonates), surgery (otologic, parotid, or neurologic surgery); recent tick bites or outdoor activity; history of syphilis, HIV, tuberculosis, or herpes infections; toxin exposure (lead); history of otologic, neurologic, diabetic, or vascular disorders; previous history of facial nerve paralysis

• Associated Symptoms: fever, facial pain, hearing loss, aural fullness, otalgia, vertigo, other neurologic deficits, change in taste sensation, vision changes, drooling, cheek biting, epiphora, dysacusis, pain (auricular, postauricular, or facial)

• "Think KITTENS" for differential diagnosis (see Table 6-7)

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