6 Science Backed Home Remedies for Trigeminal Neuralgia
1. Cayenne Pepper & Olive Oil
Cayenne Pepper or Capsicum is quite good at alleviating nerve pain. 
It contains Capsaicin that blocks the pain by reducing a pain-causing chemical named Substance P.
Olive oil can slip deep into the skin, making the healing quicker with its antioxidant properties. 
Its anti-inflammatory properties can help decrease the inflammation.
All you have to do is blend a pinch of cayenne pepper with olive oil and apply the mixture to the painful area.