Anesthesiology

Local Anesthetic Maximum Dose & Toxicity Calculator

Calculates maximum safe mg, volume (mL), and dental cartridges for local anesthetics.

Enlarge

Parameters

Local Anesthetic Maximum Dose & Toxicity Calculator Result

Formula

Max Dose (mg) = Min(Weight (kg) × Drug Max mg/kg, Absolute Maximum mg Ceiling)
Max Volume (mL) = Max Dose (mg) / (Concentration % × 10)

Clinical Pearls

Prevents life-threatening central nervous system toxicity and cardiovascular collapse during dental procedures, minor office surgery, and regional nerve blocks.

Limitations

Dose reductions (by 20-30%) are indicated in patients with severe hepatic impairment, congestive heart failure, extremes of age, or advanced renal disease.