Originally Posted by jjlsongbird

I'm glad you are getting to see various doctors. I thought the referral to the ENT doc was unusual, though it sounds like it was a good thing for you if you have a deviated septum. I don't know if that would contribute to the pain... A diagnosis of TN is considered confirmed when a medication for seizures like Gabapentin takes the pain away. But of course the pain can escalate so that you need to increase the dose. A regular MRI is usually just to rule out other possible diagnoses. There is a special MRI that can spot places where blood vessels are pressing on a nerve. That is probably the major cause of TN.

Here's a description I found on a neurosurgery site: