Side Effects Novocaine [upd] May 2026

Getting a shot of Novocaine at the dentist is standard, but what happens when the numbness wears off? Here is a complete guide to the side effects of Novocaine, from common tingling to rare complications. If you have ever had a cavity filled or a root canal, you are familiar with the unique sensation of your face turning into a rubber mask. That miracle worker is usually Novocaine (or its modern cousins, lidocaine or articaine).

This is the most common side effect. Because your lip and cheek feel like a piece of steak, you chew on them without realizing it. Hours later, you will find a swollen, raw spot inside your mouth. Tip: Check a mirror every few minutes while eating after a filling. side effects novocaine

Beyond the Numbness: Understanding the Side Effects of Novocaine Getting a shot of Novocaine at the dentist