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, sold under the brand names Akten, Glydo, and Lidoderm, relieves pain when applied to the skin via cream, gel, or patch. Lidocaine can also be given through the veins before surgical procedures to numb the surrounding area where medication is being administered and to help with irregular heartbeat.ommon Side Effects of Lidocaine. 1  High blood pressure. 2  Swelling or swelling or redness of the skin at the site of injection if receiving lidocaine via injection into the veins. 3  Constipation, nausea, and/or vomiting. 4  Confusion, dizziness, headache, funny feeling or tingling in the toes, fingers, or hands.