A 45-year-old female asked:
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i ve had neurologic reactions to low doses of local anesthesia 1 2 of a small vial or carbocaine and also epinephrine topically fine with lidocane an alergist advises using gas from now on however i have a root cnal and several deep filing replacements am

1 doctor answer
Dr. Stuart Hickerson
31 years experience Family Medicine
Use the Nitrous: Most dentists are skilled at administering nitrous oxide or "laughing gas" . However if you are female make sure you are not pregnant. Two other compounds to talk to your dentist about would be ketamine or propofol. Ketamine can be given im or IV and Propofol can be given iv. Both compounds are used for sedation frequently.
Answered on Jun 30, 2014
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