Tetracaine / Benzocaine

Local Anesthetics

Smart Dose Calculator

Calculated Induction Dose
--mg

Mechanism of Action

Ester local anesthetics. Tetracaine is highly potent and long-acting. Benzocaine exists un-ionized at physiologic pH; its topical use carries a high risk of methemoglobinemia.

Dosage Guidelines

TypeRouteRate / Dose
Dosage/GuidelineSystemicTetracaine: 20 mg (spinal); Benzocaine: Topical up to 20%.