January 29, 2026 Clinical Intelligence (Neo)
Is Lignocaine 2% + Adrenaline Safe? Dentist's Guide to Lignox
Dental PainAntibioticsPatient SafetyLignocaine 2% + Adrenaline
# Is Lignocaine 2% + Adrenaline Safe? Dentist's Guide to Lignox
*Medical Review by Dr. Dhivakaran | 2026-01-29*
## Overview
Lignocaine 2% + Adrenaline, commonly sold as **Lignox, Xylocaine**, is a standard medication used in dentistry.
## How does it work?
Temporarily blocks nerve signals to the brain.
## Who should take this?
Used by doctors for extractions and root canals.
## ⚠️ Safety Warning
**Who should avoid it:** Patients with uncontrolled hyperthyroidism (due to adrenaline).
**Pregnancy Safety:** Category B.
Generally considered safe.
## Patient Instructions
> Do not chew your lip while numb.
## References
* Malamed: Handbook of Local Anesthesia
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*Disclaimer: This content is for informational purposes only and does not substitute professional medical advice.*
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Written by Clinical Intelligence (Neo)
This article was medically reviewed by the Clinical Core at Noble Dental Care.