What is Type 2 trigeminal neuralgia?

Type 2 trigeminal neuralgia is involved with a more constant aching pain in between the sharp, shooting episodes. We believe that Type 2 trigeminal neuralgia may be related to a lesser but more chronic form of compression on the nerve, possibly from a vein, the low-pressure, low-flow vessels that supply the brain, as opposed to an artery, which is the high-flow, high-pressure blood vessel that causes more of an impact with every heartbeat.

So it's thought that Type 2 may be related to venous compression in many cases, and Type 2 has this more constant component, so I always ask people, Do you have episodes or do you have periods when there's no pain whatsoever? If one says there's pain all the time, then that is not classic or typical trigeminal neuralgia; it's Type 2. The problem with Type 2 trigeminal neuralgia is that the surgery, microvascular decompression, is most effective on the electric shock or episodic type of pain. It's much less effective at relieving the chronic aching, throbbing pain that can go along with Type 2 trigeminal neuralgia.

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