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Benzocaine

OTC Oral RxCUI 199071
Contents

Overview

Active ingredient
Benzocaine
Established class
Standardized Chemical Allergen
Physiologic effect
Increased Histamine Release; Cell-mediated Immunity
Chemical structure
Allergens
Route
Oral
Label date
2025-12-04

Indications and usage

Uses for temporary relief of pain associated with: canker sores minor irritation mouth sores

Purpose

Oral Pain Relief

Dosage and administration

Directions Adults and children age 5 and older: Affix one tablet as directed below and allow to slowly dissolve in the mouth. May be repeated every 2 hours as needed or directed by a doctor or dentist. This product may last over 2 hours. Placement: CankerMelts are bi-layered tablets with a dimple on the adhesive side and a pain reliever on the domed side marked CM. Place the adhesive side with a dimple against teeth or gums or braces or appliance. Place opposite or adjacent to the sore. Hold tablet in place with your cheek or tongue for 10 seconds to initiate adhesion. Adhesion will strengthen over the next few minutes. It may be removed at any time. Children under 5 years of age: Do not use.

Warnings and precautions

Methemoglobinemea warning: Use of this product may cause methemoglobinemea, a serious- condition that must be treated promptly because it reduces the amount of oxygen carried in blood. This can occur even if you have used this product before. Stop use and seek immediate medical attention if you or a child in your care develops: pale, gray, or blue colored skin (cyanosis) headache rapid heart rate shortness of breath dizziness or lightheadedness fatigue or lack of energy

Warnings

Methemoglobinemea warning: Use of this product may cause methemoglobinemea, a serious- condition that must be treated promptly because it reduces the amount of oxygen carried in blood. This can occur even if you have used this product before. Stop use and seek immediate medical attention if you or a child in your care develops: pale, gray, or blue colored skin (cyanosis) headache rapid heart rate shortness of breath dizziness or lightheadedness fatigue or lack of energy Allergy alert: Do not use this product if you have a history of allergy to local anesthetics such as procaine, butacaine, benzocaine, or other "caine" anesthetics. Do not use: this product for more than 7 days unless directed by a doctor or dentist in children under 5 years of age When using this product do not exceed recommended dosage. Stop use and ask a doctor or dentist if: if sore mouth symptoms do not improve in 7 days if irritation, pain, or redness persists or worsens if swelling, rash or fever develops If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children in case of overdose, get medical help or contact a Poison Control Center right away.

Do not use

this product for more than 7 days unless directed by a doctor or dentist in children under 5 years of age

When using this product

this product do not exceed recommended dosage.

Stop use and ask a doctor if

and ask a doctor or dentist if: if sore mouth symptoms do not improve in 7 days if irritation, pain, or redness persists or worsens if swelling, rash or fever develops

Pregnancy or breast-feeding

If pregnant or breast-feeding, ask a health professional before use.

Information for patients

Allergy alert: Do not use this product if you have a history of allergy to local anesthetics such as procaine, butacaine, benzocaine, or other "caine" anesthetics.

Active ingredient (label)

(in each self-adhering tablet) Benzocaine 15mg

Inactive ingredients

s Acacia gum, cellulose gum, hyaluronic acid, magnesium stearate, maize dextrin, methylcobalamin (vitamin B12), mint oil, sodium bicarbonate, xylitol

Keep out of reach of children

of children in case of overdose, get medical help or contact a Poison Control Center right away.