Lidocaine is a local anesthetic (numbing medication). It works by blocking nerve signals in your body. Lidocaine injection is used to numb an area of your body to help reduce pain or discomfort caused by invasive medical procedures such as surgery, needle punctures, or insertion of a catheter or breathing tube.
Xylocaine is a prescription medication that is used topically and orally to prevent pain before procedures or to relieve pain due to certain conditions. Xylocaine in an injectable form can also be used to help treat arrythmias (abnormal heart rhythms). Xylocaine belongs to a group of drugs called local anesthetics.