Benzocaine: An Over-The-Counter Topical Anesthetic Benzocaine is a local anesthetic agent commonly used in over-the-counter topical creams, gels, and sprays. It works by reversibly blocking voltage-gated sodium channels in nerve cell membranes, preventing the generation and conduction of action potentials and relieving pain sensation. https://cmi.hashnode.dev/benzocaine-an-overview-of-its-uses-safety-and-side-effects