Lidocaine: The Local Anesthetic for Pain Relief
What is Lidocaine?
Lidocaine is a local anesthetic commonly used to relieve pain during surgical and dental procedures. It is also used topically for the treatment of nerve pain, burns, and minor cuts.
How Lidocaine Works
Lidocaine works by blocking sodium channels in nerve cells, which prevents the transmission of pain signals to the brain. This leads to numbness in the affected area, providing temporary pain relief.
When to Use Lidocaine
● Local Anesthesia: Used during minor surgeries or dental procedures to numb specific areas of the body.
● Topical Pain Relief: Applied to areas of the skin to relieve pain from burns, insect bites, and other minor injuries.
● Arrhythmias: Used intravenously in emergency settings to treat ventricular arrhythmias.
Dosage
● Adult Dose for Local Anesthesia: Typically, 1-2% Lidocaine solution is injected into the area to be anesthetized.
● Pediatric Dose: Pediatric doses vary based on the child’s age and weight, and the procedure being performed.
Side Effects
● Common Effects: Numbness at the site of application, dizziness, and drowsiness.
● Serious Adverse Effects: Severe allergic reactions, heart arrhythmias, and central nervous system toxicity(e.g., seizures).
Common brands: Xylocaine.
