cranial nerve V palsy

Last reviewed 01/2018

Trigeminal nerve palsy is paralysis of the fifth cranial nerve.

In the neurological examination the following ought to be tested in order to check for trigeminal palsy:

  • sensation:
    • light touch
    • pain
    • cold
    • tested in all three divisions
  • function of:
    • masseter - clenching the jaw and feeling for the muscle bulk over the angle of the mandible
    • pterygoids - moving the jaw from side to side
  • corneal reflexes - only if appropriate