In the dentist's office, Procaine & Lidocaine are types of this
The patient should be advised to consult the dentist if anesthesia persists or if... [DOC] [TLE] Allergy to novocaine - Dental Fear Central [PAR] Find out if you are allergic to local anesthetics used by dentists ("novocain" or 
lidocaine, lignocaine, ... People can be allergic to lots of different things.