Cranial mononeuropathy VII

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Central nervous system

Overview Symptoms Treatment Prevention

Cranial mononeuropathy VII

• Face feels stiff
• Face feels pulled to one side
• Difficulty eating (items fall out of the weak corner of the mouth)
• Change in facial appearance
  • Facial droop
  • Difficulty with facial expressions, grimacing
  • Difficulty with fine facial movements
  • Paralysis of one side of the face
  • Difficulty closing one eye
• Impairment of taste
• Sensitivity to sound (hyperacusis)
• Headache
• Increased loudness of sound in one ear
• Pain behind the ear (for Bell's palsy)

An examination will show facial drooping that may be on one side of the face or isolated to the forehead, eyelid or mouth. Examination of the tympanic membrane in the ear may reveal vesicles.

A blood test may be done to check for Lyme disease. If a more systemic cause is suspected, a lumbar puncture may be performed. If a tumor compressing the nerve is suspected, an MRI of the head may be done.

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