A syndrome characterized by recurrent episodes of excruciating pain lasting several seconds or longer in the sensory distribution of the trigeminal nerve. Pain may be initiated by stimulation of trigger points on the face, lips, or gums or by movement of facial muscles or chewing. Associated conditions include MULTIPLE SCLEROSIS, vascular anomalies, ANEURSYMS, and neoplasms.

The recommended herbs are:

• Radix Gentianae,
• Radix Scutellariae,
• Rhizoma Alismatis,
• Fructus Gardeniae,
• Caulis Aristolochiae Manshuriensis,
• Radix Angelicae Sinensis,
• Radix Rehmanniae,
• Radix Glycyrrhizae,
• Pheretima, etc.