Can cranial nerve damage on the left side of the face cause pain on the right side of the face?

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NAC21

Can cranial nerve damage on the left side of the face cause pain on the right side of the face?

Similar to the way the right and left brain work. I am asking because someone I know suffers from Trigiminal Neuralgia (5th Cranial Nerve) on the right side of their face. They've had microvascular decompression done twice to no avail. I'm just curious to know if their could be problems with nerves on both sides of the face and not just the left side.

Brett N

You've kind-of asked two questions here : If the left nerve itself is damaged/impinged/neuralgic, it should not cause pain on the right side of the face. The nerve itself supplies the area on the left side, without crossover (essentially). HOWEVER, it is possible to have primary conditions which may secondarily effect both trigeminal nerves, and so cause pain in both - but this is not the same as one nerve CAUSING the pain in the other's distribution. The 'crossover' you refer to comes from the way the brain is wired - ie the brain centers responsible for sensation (and movement) are located on the opposite side from the nerve supplying that sensory area. This crossover does not extend to other connections - eg between two peripheral nerves.

Erudite

Pain is transferable - especially when it involves the nerves. I get a pinched nerve in the right side of my neck, but the pain is in the left side from the shoulder up.

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