is lidocaine a narcotic
A: Lidocaine is an anesthetic or numbing agent when used topically or injected in the spinal column, and it is an antiarrhythmic (helps with irregular heart beats) when given intravenously.When it is used topically on the skin, it works by inhibiting the nerve impulses that pass along pain signals to the brain.Lidocaine is not related to narcotic medications. The prescribing information on lidocaine lists the following as the most common side effects of the topical medications: nausea and numbness.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.