|Facial nerve paralysis|
|Moche Culture Representation of Facial Paralysis. 300 A.D. Larco Museum Collection Lima, Peru.|
|Classification and external resources|
Facial nerve paralysis is a common problem that involves the paralysis of any structures innervated by the facial nerve. The pathway of the facial nerve is long and relatively convoluted, and so there are a number of causes that may result in facial nerve paralysis. The most common is Bell's palsy, an idiopathic disease that may only be diagnosed by exclusion.