Facial paralysis is a loss of facial movement due to nerve damage. Your facial muscles may appear to droop or become weak. It can happen on one or both.
A damaged nerve at the origin in the brainstem leads to paralysis of the entire left or right side of the face. Find out more about the causes, symptoms, and.
Bell's palsy causes temporary facial paralysis. of swelling and inflammation of the nerve that controls the muscles on one side of your face.