Friday, June 24, 2011

Local Anesthesia Toxicity (Lidocaine)

Local Anesthetic Agents Used Commonly for Infiltrative Injection
AgentDuration of ActionMaximum Dosage Guidelines (Total Cumulative Infiltrative Injection Dose per Procedure*)









Amides

Lidocaine (Xylocaine)Medium (30-60 min)Without epinephrine: 4.5 mg/kg; not to exceed 300 mg
Lidocaine with epinephrineLong (120-360 min)With epinephrine: 7 mg/kg



Bupivacaine (Marcaine)Long (120-240 min)Without epinephrine: 2.5 mg/kg; not to exceed 175 mg total dose
Bupivacaine with epinephrineLong (180-420 min)With epinephrine: Not to exceed 225 mg total dose








































Bottom line Lidocaine 1% => 10mg per ml = Don't give more then 30 mls