How Do Topical Anesthetics Work?

Reviewed on 7/13/2021

HOW DO TOPICAL ANESTHETICS WORK?

Topical anesthetics are a type of local anesthesia applied to the skin surface or mucous membrane to numb the area temporarily.

Topical anesthetics cause a temporary loss of sensation, including pain, without depressing the consciousness. They act within the nerve fibers to inhibit the rapid inflow of sodium necessary for impulse generation. When there is no impulse generation, there is no transmission of pain around that area.

HOW ARE TOPICAL ANESTHETICS USED?

Topical anesthetics are mainly used to treat:

They are also used as a temporary numbing agent in:

  • Dental procedure
  • Skin procedure
  • Minor surgery of genital mucous membranes

WHAT ARE SIDE EFFECTS OF TOPICAL ANESTHETICS?

Topical anesthetics can cause the following side effects:

The information contained herein is not intended to cover all possible side effects, precautions, warnings, drug interactions, allergic reactions, or adverse effects. Check with your doctor or pharmacist to make sure these drugs do not cause any harm when you take them along with other medicines. Never stop taking your medication and never change your dose or frequency without consulting your doctor.

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WHAT ARE NAMES OF TOPICAL ANESTHESIA?

Generic and brand names of local anesthetics include:

References
https://reference.medscape.com/drugs/anesthetics-topical

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4676230/

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