What is the purpose of using an occlusive barrier with topical anesthetic?

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Multiple Choice

What is the purpose of using an occlusive barrier with topical anesthetic?

Explanation:
An occlusive barrier works by sealing the topical anesthetic on the skin, preventing evaporation and rubbing away so the drug stays in contact longer. This keeps a higher local concentration and hydrates the outer skin layer, which helps the anesthetic penetrate deeper and work more effectively and for a longer duration. It doesn’t cool the skin, remove excess solution, or dry faster; in fact, it tends to slow drying by trapping moisture.

An occlusive barrier works by sealing the topical anesthetic on the skin, preventing evaporation and rubbing away so the drug stays in contact longer. This keeps a higher local concentration and hydrates the outer skin layer, which helps the anesthetic penetrate deeper and work more effectively and for a longer duration. It doesn’t cool the skin, remove excess solution, or dry faster; in fact, it tends to slow drying by trapping moisture.

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