This article discusses peripheral facial paralysis of nontraumatic origin. The term idiopathic facial paralysis is used generically, in place of the often ambiguous term, Bell's palsy, to indicate all types of peripheral facial palsy/paralysis for which no cause is apparent. Included is a brief resumé of the pertinent anatomy and pathophysiology, a synopsis of etiologic considerations, and a discussion of current therapeutic options. This article is aimed at practitioners of otolaryngology, neurology, and neurosurgery with the hope that it will be of value to them in caring for their patients.