Answer
Tetracaine reversibly blocks nerve impulse propagation and conduction along nerve axons by stabilising the nerve membrane and preventing the increase in sodium permeability needed to produce an action potential.
Sources for this answer
- Minims Tetracaine Hydrochloride 0.5% w/v, Eye drops solutionBausch & Lomb U.K Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 5Document updated
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