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Dental Anesthesia

Too Much Novacaine



can too much Novacaine cause diarrhea?


Too much lidocaine (dentists no longer use Novacaine) or other local anesthetics will cause central nervous system or heart problems when used in excess. Diarrhea will not occur directly.

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Response by:

Steven I Ganzberg, SB, DMD, MS Steven I Ganzberg, SB, DMD, MS
Formerly, Clinical Professor of Dentistry
College of Dentistry
The Ohio State University