Hi Jim @jimhd, Here is the link from Rachel's @rwinney post earlier in the discussion.

Lidocaine-induced Seizures in Patients with History of Epilepsy: Effect of Antiepileptic Drugs
-- https://anesthesiology.pubs.asahq.org/article.aspx?articleid=1944222

Here are a couple of others that may also be helpful.

Lidocaine Infusion: A Promising Therapeutic Approach for Chronic Pain
-- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5323245/

Intravenous Lidocaine for Neuropathic Pain: A Retrospective Analysis of Tolerability and Efficacy
-- https://academic.oup.com/painmedicine/article/16/3/531/2460608

https://www.clinicalpainadvisor.com/home/topics/chronic-pain/

https://www.rxlist.com/