Facial Palsy
Introduction This condition usually occurs due to either permanent or temporary damage to the facial nerve generally leading to the weakness of the facial muscles. Sometimes lower half of the face is affected, or sometimes whole one side of the face gets affected or either both sides of the face gets affected and it occurs as the facial nerves are not functioning properly so the muscles of the face are not receiving appropriate signals for normal functioning 1 . It is also known as Bell 's palsy. Causes Although the most commonly known cause of facial paralysis is Bell’s palsy, there are actually many different causes of facial palsy.. Some of the main causes of facial palsy are listed below 2 : Viral infections such as Bell’s palsy and Ramsay Hunt syndrome . Surgical causes: for example during removal of acoustic neuroma or facial nerve tumour , or when operating on the parotid gland . Bacterial causes such as...