Idiopathic facial paralysis

29 Idiopathic facial paralysis


The facial nerve innervates the:

It also transmits sensory fibres from the taste buds of the rostral tongue but dysfunction is not noticed.

Facial nerve lesions typically cause paralysis of the muscles of facial expression. In time, the flaccid muscles atrophy, undergo fibrosis and contracture and thus assume a more normal position. Voluntary and reflex movement of the contracted muscles is still absent. The contracture does not relax under GA.

LMN paresis or paralysis is the most common sign of dysfunction, however ‘positive’ signs of nerve irritation have been reported:

Stay updated, free articles. Join our Telegram channel

Sep 3, 2016 | Posted by in SMALL ANIMAL | Comments Off on Idiopathic facial paralysis

Full access? Get Clinical Tree

Get Clinical Tree app for offline access