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Updated: Jun 8, 2026
07:49
Measuring Local Anaphylaxis in Mice
Published on: October 14, 2014
Allergic reactions to local anesthetic formulations
Steven J Speca1, Sean G Boynes, Michael A Cuddy
1Department of Anesthesiology, University of Pittsburgh School of Dental Medicine, Pittsburgh, PA 15261, USA. drspeca@yahoo.com
Dental Clinics of North America
|September 14, 2010
Summary
True allergic reactions to local anesthetics are rare, accounting for less than 1% of adverse events. Dentists must evaluate potential allergic reactions and consider other causes like intravascular injection or overdose.
Area of Science:
- Dentistry
- Pharmacology
- Immunology
Background:
- True allergic reactions to local anesthetics are infrequent, comprising less than 1% of all adverse reactions.
- These reactions can manifest as severe Type I anaphylactic responses or Type IV delayed hypersensitivity.
Purpose of the Study:
- To highlight the rarity and characteristics of true allergic reactions to local anesthetics.
- To emphasize the importance of differential diagnosis in suspected cases within a dental setting.
Main Methods:
- Review of existing literature on adverse reactions to local anesthetics.
- Discussion of diagnostic criteria for differentiating allergic reactions from other causes.
Main Results:
- Confirmed allergic reactions are predominantly Type I (immediate, potentially life-threatening) and Type IV (delayed).
- Distinguishing true allergies from other adverse events is critical for appropriate patient management.
Conclusions:
- Dentists must be prepared to evaluate and manage suspected local anesthetic reactions.
- Referral is recommended when an allergic reaction cannot be definitively ruled out against other possibilities like overdose or psychogenic responses.
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