Ambulatory Infusions of Lidocaine and Ketamine for Management of Chronic Pain

"An intravenous will be started. • Lidocaine - initial dose of 5.0 mg/kg +/- 1.0 mg/kg (based on actual weight, up to maximum dose 600 mg) over 45 minutes, followed by increases of 0.5 mg/kg each infusion based on tolerability of side effects, not to exceed 7 mg/kg or 600 mg.~• Ketamine - initial dose of 0.1 mg/kg (based on actual weight) over 45 minutes (rounded to nearest 5 mg, up to maximum 15 mg), increased by 0.1 mg/kg (rounded to nearest 5 mg) each infusion based on tolerability of side effects During the infusion patient will be monitored by another MD for BP, PR, PO2. Patients will not be allowed to drive for 24 hours."