A member asked:

How can benzocaine interact with the human body?

3 doctors weighed in across 3 answers

benzocaine interact: It effect the ionic transport of ions in the nerve cell and alter the nerve transmission of impulses

Answered 6/17/2014

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Topical anesthetic: Benzocaine is mostly used on mucous membranes - in the throat/ oral cavity, for example. Beside numbing, excessive amounts can interact with oxygen-carrying hemoglobin and lead to condition called methemoglobinemia, that can manifests in lower pulsoximetry (SpO2) readings

Answered 6/24/2014

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Dr. William Jenkins answered

Specializes in Anesthesiology

It can: Cause allergic reactions or methemoglobinemia

Answered 8/3/2014

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