List of causes

There are many different causes of facial paralysis and it can be present at birth or occur at any other time throughout a person’s life. Here we list some of the many causes of facial paralysis:

Congenital

Congenital facial palsy is where facial paralysis is present at birth. Sometimes the facial nerves and/or muscles fail to develop properly in the womb, or the facial palsy may be caused by rare developmental syndromes or conditions. Facial palsy can also be caused by trauma to the facial nerve during delivery.

Non syndromic

Syndromic

Trauma

Acquired

Idiopathic

Infection affecting nerve directly

Compression of nerve

Tumours

Vascular masses

  • Arteriovenous malformation
  • Carotid artery aneurysm
  • Collection of blood (haematoma)
  • Glomus jugulare tumour
  • Haemangioma
  • Temporal arteritis

Swelling from infection

  • Otitis media and otitis externa
  • Mastoiditis

Bony masses

  • Osteopetrosis

Others

Stroke

Part of generalised neurological problem

Trauma to nerve

Autoimmune

  • Sarcoidosis

Others

  • Acute porphyria
  • Amyloidosis
  • Lattice corneal dystrophy type II
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Last reviewed: 05-02-2019    ||    Next review due: 05-02-2021