Benzocaine

Category: topical

Aliases: Anbesol, Orajel

Pharmacological Mechanism

Ester-class topical local anesthetic — Na+ channel blocker. OTC oral gels for dental pain, throat lozenges, condoms. Methemoglobinemia risk (especially in infants/children) is the FDA-warned concern.

Half-Life (t½)

TD: 1h

Dosing Guidelines

• TD: Typical 50mg (Range: 5 - 200 mg)

Target Organ Systems

• nervous
• integumentary