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Tetracaine

Structure

  • Tetracaine is a potent amino benzoic acid derivative with a butyl ester group, providing long-lasting local anesthetic effects.

  • Chemical Formula: C₁₂H₂₉N₃O₂

formula of Tetracaine

Structure of Tetracaine
Structure of Tetracaine

Mode of Action

  • Sodium Channel Blockade: Inhibits voltage-gated sodium channels, preventing nerve impulse conduction.

  • Membrane Stabilization: Enhances membrane stability, reducing nerve excitability.

Uses

  • Topical Anesthesia: Applied in ophthalmic procedures, dermatological treatments, and mucosal numbing.

  • Local Anesthesia: Used in dental procedures, minor surgeries, and epidural anesthesia.

  • Infiltration Anesthesia: Injected to provide prolonged numbness in specific areas during medical procedures.

Side Effects

  • Local Irritation: Can cause burning, redness, or swelling at the application site.

  • Systemic Toxicity: CNS excitation or depression and cardiovascular disturbances with high doses.


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