CankerMelts
benzocaine · Lozenge · Oral
Active ingredient
Active Ingredient (in each self-adhering tablet) Benzocaine 15mg
Purpose
Purpose Oral Pain Relief
Uses
Uses for temporary relief of pain associated with: canker sores minor irritation mouth sores
Warnings
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
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
When using this product do not exceed recommended dosage.
Stop use and ask a doctor
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
Pregnancy or breast-feeding
If pregnant or breast-feeding, ask a health professional before use.
Keep out of reach of children
Keep out of reach of children in case of overdose, get medical help or contact a Poison Control Center right away.
Directions
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.
Inactive ingredients
Inactive Ingredients Acacia gum, cellulose gum, hyaluronic acid, magnesium stearate, maize dextrin, methylcobalamin (vitamin B12), mint oil, sodium bicarbonate, xylitol
Label text from the FDA structured product label by Quest Products, LLC (revised Dec 4, 2025). Long sections are shortened; the complete label is on DailyMed.
Active ingredients
- Benzocaine in 1 product
CankerMelts NDC products (1)
| NDC | Strength & form | Labeler | Type |
|---|---|---|---|
| 68229-700 | Benzocaine 15 mg/1 Lozenge | Quest Products, LLC | OTC MONOGRAPH DRUG |
Frequently asked questions
What is CankerMelts used for?
Uses for temporary relief of pain associated with: canker sores minor irritation mouth sores
Who makes CankerMelts?
CankerMelts is listed by 1 labeler in the FDA NDC directory, including Quest Products, LLC.