Table 4

International Headache Society criteria for trigeminal neuralgia

  • Paroxysmal attacks of facial or frontal pain which last a few seconds to less than 2 minutes

  • Pain has at least 4 of the following characteristics:

    1. Distribution along one or more divisions of the trigeminal nerve

    2. Sudden, intense sharp, superficial, stabbing or burning in quality

    3. Pain intensity severe

    4. Precipitation from trigger areas, or by certain daily activities such as eating, talking, washing the face or cleaning the teeth

    5. Between paroxysms the patient is entirely asymptomatic

  • No neurological deficit

  • Attacks are stereotyped in the individual patient

  • Exclusion of other causes of facial pain by history, physical examination, and special investigation when necessary.