bell palsy is an acute unilateral facial nerve palsy that is not associated with other cranial neuropathies or brain-stem dysfunctions. Bell palsy is the most common acute mononeuropathy. Incidence is 2.7 per 100000 in children less than 10 years of age. Etiology of Bell palsy: Infection by Herpes simplex virus, varicella-zoster virus, Epstein Barr virus, coxsackievirus, influenza, mumps, and Ramsy Hunt syndrome. Others: Lyme disease, Mobius syndrome, trauma, metabolic syndrome, hyperparathyroidism, hypothyroidism, GBS< Myasthenia gravis. In virus infection, viral reactivation Continue Reading…..