What is Kank-A Mouth Pain Liquid?

Kank-A Mouth Pain Liquid is a canker sore and mouth abrasion treatment product designed for optimum antibacterial and antiseptic capabilities while also delivering a soothing effect that alleviates pain caused by the injury. It forms a long-lasting barrier that helps seal the canker sore from outside dangers such as bacteria and allowing it to heal uninterrupted. If you wish to learn more about this product, please read our full review below.


This product delivers anesthetic effects which should do well when it comes to handling canker sores. It also uses several ingredients known for their powerful antibacterial and antiseptic properties. This product’s active ingredient is:

  • Benzocaine 20%

But it also contains several inactive ingredients:

  • Benzyl alcohol
  • Cetylypyridinium chloride
  • Compound benzoin tincture
  • Dimethyl isosorbide
  • Ethylcellulose
  • Octylacrylamide
  • Cleth-10
  • PEG-6
  • Propylene glycol
  • Ricinus Communis
  • Seed Oil
  • SD Alcohol 38B (29.6%)
  • Sodium saccharin
  • Sucralose
  • Tannic Acid


To ensure optimum effects of this medication, it is best to first dry off the affected area before applying a thin coating of the formula to ensure that it will adhere longer. Use an applicator to apply the powder over the affected area and allow it to form for a couple of seconds. For best results, use this formula for up to 4 times a day or as instructed by your doctor. Children should be supervised when using this product.


Kank-A Mouth Pain Liquid can be purchased in select retail stores or through online shops. One 9.75ml bottle is currently priced at $6.25. This is exceptionally cheap for a highly-rated canker sore treatment product. Alas, there are no special discounts for bulk purchases but that really is not an issue considering that the treatment of canker sores should only last for a week.

Possible Side Effects

While a truly effective product, Kank-A Mouth Pain Liquid has been known to cause some side effects. The main complaint by some customers is that the formula can cause excruciating pain on contact with the wound. While few and far between, these complaints should not be ignored. If ever you experience an intense burning sensation upon using this product we recommend that you stop use at once and consult with your dentist or health professional. There is a warning that this product could lead to a condition caused methemoglobinemia, which is serious if it develops and should be treated right away. The symptoms of this condition are pale or blue skin, a rapid heart rate, shortness of breath, lightheadedness, and fatigue.

Manufacturer’s Commitment

We did not find any customer guarantee attributed to this product. This can be a cause of concern as there is a chance that you might not react positively to this formula.

The Bottom Line

Overall, Kank-A Mouth Pain Liquid seems to be a potent canker sore treatment product that should offer a quick solution for this problem. However, as it uses potent chemicals there is a high risk of negative reactions such as pain and further irritation, or even developing a serious side effect such as methemoglobinemia. These side effects, plus the lack of guarantee, may make you want to look elsewhere for a safer alternative to treating canker sores.

Do you want to find an effective Canker Sore treatment? Check out our top rated Canker Sore products