 Facial diplegia occurs in 50% of patients with Guillain–Barré syndrome.Facioscapulohumeral muscular dystrophy (FSHD) is the second most common adult-onset muscular dystrophy with facial weakness being a distinct feature of FSHD in over 90% of cases.Facial paralysis is usually caused by traumatic, infectious, neurological, metabolic, toxic, vascular, and idiopathic conditions.