Canker Sore Relief
Natural health product licensed in Canada
- Other names
- Kank-A
- Licence holder
- Blistex Corporation
- NPN or DIN-HM
- 80078735
- Status
- Active licence
- Licence date
- 27 June 2017
- Revision date
- 8 April 2025
- Form
- Liquides
- Route of administration
- Buccale
- Application type
- Officinale
Oral dose analysis does not apply without an established exclusively oral route.
Composition
| Medicinal ingredient and source | Per dosage unit, according to the source |
|---|---|
| Acide 4-aminobenzoïque, Ester d'éthyle Source : Benzocaine | 20 % (p/p) |
Non-medicinal ingredients
Résine de benjoin, Acide tannique, Sucralose, PEG-400, Oleth-10, Éthyl cellulose, Huile de graine de Ricinus communis (ricin), Alcool benzylique, Sacharinate de sodium, Huile essentielle de Liquidambar styraciflua, Saveur, Résine de Myroxylon balsamum, Octylacrylamide/acrylates/butylaminoethyl methacrylate copolymer, Alcool, Propylène glycol, Isosorbide de diméthyle, Alcool SD 38-B, Chlorure de cétylpyridinium, Poudre de feuilles d'Aloe Barbadensis
Recommended doses in Canada
| Population | Age | Quantity per serving | Frequency |
|---|---|---|---|
| Adultes et enfants | minimum: 6 years | Not specified | Not specified |
Uses authorised in Canada
For the temporary relief of pain associated with canker sores/aphthous stomatitis. For the temporary relief of occasional minor oral irritation/oral pain/sore mouth. For the temporary relief of pain associated with cold sores/fever blisters/oral herpes. For the temporary relief of pain due to minor irritation of the mouth due to dentures or orthodontic appliances. For the temporary relief of occasional minor irritation or injury of the gums. For the temporary relief of pain due to minor dental procedures. For the temporary relief of pain due to minor irritation of the gums due to dentures or orthodontic appliances. For the temporary relief of occasional minor irritation or injury of the mouth.
A use authorised in Canada is not an authorised health claim in the European Union. See the health claims register.
Warnings in Canada
- Contre-indications
If the following symptoms appear: weakness, confusion, headache, difficulty breathing and/or pale, gray or blue coloured skin, stop use and consult a health care practitioner. These symptoms may be signs of methemoglobinemia, a rare disorder, which may appear up to 2 hours after use. If allergic to benzocaine, do not use this product.
- Effets indésirables connus
Hypersensitivity/allergy is known to occur. In such a case, discontinue use.
- Précautions et mises en garde
If symptoms do not improve within seven days, irritation, pain or redness persists or worsens, or swelling, rash or fever develops, consult your dentist or other health care practitioner promptly.
Source
Official Health Canada record, licence 80078735
Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks, retrieved 27 October 2026.
Contains information licensed under the Open Government Licence – Canada (Health Canada, LNHPD)
Licence du gouvernement ouvert – Canada 2.0 (OGL-Canada 2.0)
The formula sold in Europe under the same name may differ. This information does not replace advice from a doctor or pharmacist.
List in the official revision dated (register: Licensed Natural Health Products Database (LNHPD), Health Canada: licensed products, ingredients, doses, uses and risks).
Has the product changed? Photograph the packaging.