Yes, there is an increased risk of trigeminal neuralgia among people who have neck problems. So far, the exact reason for the relationship is not known, but researchers have some preliminary theories.

Trigeminal neuralgia (TN) is a headache disorder that causes severe, one-sided facial pain. The pain occurs when the trigeminal nerve root is activated and can be triggered by touch or movement.

While the Food and Drug Administration (FDA) hasn’t approved Botox for trigeminal neuralgia, doctors may prescribe the drug off-label for this use. Several studies have looked into the effectiveness ...