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Trigeminal Neuralgia - Coggle Diagram

- - - - causes morphological changes of the nerve resulting in abnormal firing of the nerve
      - Evidence on MRI for diagnosis
    - - continuous background facial pain between the trigeminal attacks
  - - - Multiple Sclerosis
      - Space occupying lesion - tumour
- - - - No pain free periods
      - Complications
      - Adverse effects on life
  - - - radio frequency thermocoagulation - IDIOPATHIC TN TX
      - balloon compression
      - glycerol rhizolysis
    - - Microvascular decompression - CLASSIC TN TX
      - internal neruoloysis
- - - - Pregnancy
      - Hans Chinese or Thai origin
      - Hepatic or Renal inpairment
    - - Other anti-convulsants
      - Herbal remedies - St John's Wort
      - Alcohol
      - Grapefruit juice
    - - Fever
      - rash
      - ulcers
      - bleeding
      - bruising
    - - 100mg 2x daily 2-3 days
        
        increase by 100mg every 2 days
        
        once pain free>4 weeks trial dose reduction by 100mg
      - therapeutic dose = 800-1200mg/day