Causes

  • Inflammation, swelling or compression of facial nerve may result in Bell's Palsy.
  • Viral infections.
  • Injury to facial nerve may result in Bell's Palsy.
  • Chickenpox and shingles (herpes zoster)
  • Respiratory illnesses
  • German measles
  • Mumps
  • Hand-foot-and-mouth disease (coxsackievirus)