Benzocaine--can it hurt you?!?

Question

I have a friend who overuses her orajel. Her tooth hurt for awhile, and she used orajel, but now she uses it every day, all the time. She likes the numbing feeling in her mouth. This question sounds silly, but should I be concerned for her? Can benzocaine, the active ingredient in orajel, be addicting? And is it harmful for her to use it like this? The concentration, I believe, is 10%, though I'm not sure.

Answer 1

THE STUFF THE DENTIST PUTS IN YOUR MOUTH BEFORE THE SHOT OF ANESTHETIC IS 20% BENZOCAINE.
THE OVERUSE OF IT CAN BE DANGEROUS, SEE THE LINK BELOW