3. Avocado & Carrot Juice
Avocado is rich in monosaturated fatty acid, a vital component for those who suffer from trigeminal neuralgia. 
It also contains Vitamin B5, Vitamin B3, and folic acid.
Carrot is full of antioxidant, and its root is useful for treating cancer, constipation, diarrhea, and any vitamin deficiency
Carrot is an important source of Vitamin A, Vitamin C, Vitamin B1, B2, B5, and B6. Vitamin B1 can help maintain a healthy nervous system.
You can put them in a blender to make a juice and have it orally to reduce the pain.