This may affect your eyes and/or your mouth. Often facial palsy occurs on one side of your face, but it can occur on both sides.

The causes of facial palsy vary but may include:

  • A viral or bacterial infection
  • Stroke
  • Nerve damage during facial surgery
  • Injury
  • Abnormal development of the facial nerve
  • Compression of the facial nerve (Bell’s palsy)
  • Facial trauma during childbirth

Diagnosis and treatment of facial palsy will depend on the area and degree of your facial paralysis.