XYLITOL Side Effects & Safety. Xylitol is safe in the amounts found in foods. It seems safe as a medicine for most adults in amounts up to about 50 grams per day. Avoid higher doses. There is some concern that extremely high doses for long periods of time (more than three years) can cause tumors.
Applying the patches for a longer time or using more than 3 patches at a time could result in. increased absorption of lidocaine and high blood concentrations, leading to serious side. effects. Lidocaine toxicity could be expected at lidocaine blood concentrations above 5 Âµg/mL. (1). Off Label Uses: Neuropathic pain: Lidoderm patches have been shown to be effective in treating neuropathic. pain of various types as monotherapy and as adjunctive therapy to an analgesic regimen.
Use of lidocaine patch 5% for chronic low back pain: a report of four cases. Hines R(1), Keaney D, Moskowitz MH, Prakken S. (1)Bay Area Pain Medical Associates, Mill Valley, California 94941, USA. OBJECTIVE: To describe the use of the lidocaine patch 5% (Lidoderm), a targeted peripheral analgesic, in treatment of patients with chronic low back pain.