Lidocaine has several common uses:

1. Local Anesthetic:

   • Lidocaine is often used in minor surgeries or dental procedures to numb specific areas of the body, preventing pain during the procedure.

2. Treatment for Heart Arrhythmias:

   • Intravenous lidocaine serves as an antiarrhythmic drug, particularly following a heart attack or during cardiac surgery1.

3. Pain Relief:

   • Lidocaine patches, ointments, gels, and creams are used to manage pain due to conditions like post-herpetic neuralgia, inflammation of the urethra, sore throat, and other long-term pain problems