Should Superior Laryngeal Nerve Block Be Performed for Neurogenic Cough?

Tracy, Lauren F; Noordzij, J Pieter · Laryngoscope · 2026

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Abstract

SLN block may be offered as a treatment for neurogenic cough after guideline-directed evaluation and treatment for other causes have been attempted. There is an ~80% success rate which may require multiple injections. Risks appear limited; however, long-term benefit is not yet determined.