Bell’s palsy | Genetic and Rare Diseases Information …

Bell’s palsy is a form of temporary facial paralysis which results from damage or trauma to one of the facial nerves. This disorder is characterized by the sudden onset of facial paralysis that often affects just one side and can cause significant facial distortion. Symptoms vary, but may include twitching, weakness, drooping eyelid or corner …

https://rarediseases.info.nih.gov/diseases/5906/bells-palsy