Benzocaine

Administration

  • Type: Local anesthetics
  • Dosage Forms:
  • Routes of Administration: Topical spray, liquid, lozenge
  • Common Trade Names: HurriCaine spray, Orajel, Cepacol, Lanacane, Anesthesin, Anbesol

Adult Dosing

  • Apply 5-20% solution (or lozenge) q2-6h PRN

Pediatric Dosing

Special Populations

Pregnancy Rating

  • Category C

Lactation risk

  • Unknown risk, use with caution

Renal Dosing

Hepatic Dosing

Contraindications

  • Allergy to class/drug
  • Bacterial infection of treated area

Adverse Reactions

Serious

  • Methemoglobinemia

Common

  • Burning, stinging tenderness
  • Pruritus
  • Edema
  • Contact dermatitis, rash, urticaria

Pharmacology

  • Half-life:
  • Metabolism:
  • Excretion:

Mechanism of Action

  • Local anesthetic; reduces sodium permeability and increasing action potential threshold to prevent conduction/generation of nerve impulses

Comments

See Also

References

Authors:

Claire