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.
Lidocaine topical (for use on the skin) is used to reduce pain or discomfort caused by skin irritations such as sunburn, insect bites, poison ivy, poison oak, poison sumac, and minor cuts, scratches, hemorrhoids, and burns. Lidocaine topical may also be used for purposes not listed in this medication guide.