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The most commonly used topical anesthetic for nasal cavity and paranasal sinus surgery is
The most commonly used topical anesthetic for this operation is tetracaine hydrochloride.

When tetracaine hydrochloride is used for nasal mucosal surface anesthesia, patients will not have obvious pain, and the anesthesia takes effect quickly, usually lasting 4-6 hours.

Tetracaine hydrochloride is an organic compound with the chemical formula of C 15H25ClN2O2, which is mainly used as a local anesthetic, especially for mucosal anesthesia.

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