This type of anesthesia is typically used to temporarily block nerve signals in the targeted area, preventing pain during minor medical procedures.
Common uses of topical anesthesia include:
Minor skin procedures: Like removing warts, treating small wounds, or inserting IV lines.
Dental procedures: To numb the gums before an injection or minor surgery.
Eye procedures: For procedures like cataract surgery or to numb the eye before measuring eye pressure.
Nasal or throat procedures: Before inserting tubes or performing endoscopies.
Common topical anesthetics include lidocaine, benzocaine, and prilocaine.
They come in various forms, such as creams, gels, sprays, or patches, and are generally safe when used as directed.
They can be absorbed through the skin and may lead to systemic toxicity.
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