A glycerol injection can be given through the cheek and through the opening to the base of the skull where the three branches of the trigeminal nerve come together. The glycerol damages the insulation of trigeminal nerve fibers to stop pain sensations being transmitted. This is done under sedation.
4. Stereotactic Radiosurgery – this involves firing radiation beams at the trigeminal nerve. This causes a lesion to develop over the nerve (over a period of several months). This lesion stops the nerve from transmitting pain signals.
Sources: Aust Fam Physician. 2005 Aug;34(8):641-5
Cochrane Database Syst Rev. 2006 Jul 19;3:CD004029
National Institute for Neurological Disorders and Stroke – Trigeminal Neuralgia Fact Sheet. http://www.ninds.nih.gov/disorders/trigeminal_neuralgia/detail_trigeminal_neuralgia.htm
Patient UK - http://www.patient.co.uk/health/Trigeminal-Neuralgia.htm
Joanna is a freelance health writer for The Mother magazine and Suite 101 with a column on infertility, http://infertility.suite101.com/. She is author of the book, 'Breast Milk: A Natural Immunisation,' and co-author of an educational resource on disabled parenting, in addition to running a charity for people damaged by vaccines or medical mistakes.