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A 24-year-old male asked:

not allergic to lidocaine whats chances of been allergic to novacaine or other caine local anathetics used for dentistry?

5 doctor answers10 doctors weighed in
Dr. Romanth Waghmarae
Pain Management 39 years experience
Allergy: Firstly allergies to local anesthetics is rare. If you do not have a known and documented allergy then you should be quite fine.
Dr. Gary Klugman
Dentistry 46 years experience
You are good: There were allergies to Novacaine, but that drug is probably not available anymore. Allergies to local anesthetics that dentist use are almost unknown. There are some allergies to local anesthetics in multi-dose vials, but dentists don't use those.
Dr. Douglas Tavenner, jr.
Cosmetic Dentistry 50 years experience
Maybe but Never Seen: All "caines" are not the same. There are multiple "families" of different anesthetics. The newer ones are really very good. The actual Novacaine has not generally been used in Dentistry for the past 40+ years.
Dr. Hunter Smart
Dentistry 8 years experience
Very slim: Novacaine isn't used in dentistry anymore. Lidocaine is a "work-horse" local anesthesia used by nearly every dentist that practices. Your chances of being allergic to a local anesthesia are very, very slim. I'd say the most common caution is people who are allergic to sulfa, which is in Articaine...and people who cannot have epinephrine. If you're clear of those two things then you're good.
Dr. Daniel Wolter
Dentistry 30 years experience
Very, Very Low: Allergic reactions to local anesthetics are extremely rare. That's really nothing to worry about.

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