What is Tanac Liquid?

Tanac Liquid is advertised as a no-sting formula specially designed to provide temporary relief from pain associated with the mouth and gums. This product primarily targets cold sores, canker sores, minor irritation and fever blisters. Moreover, it not only reduces the pain but, also shortens the duration of mouth sores.


Tanac Liquid is made from a combination of two active ingredients:

  • Benzocaine 10%
  • Benzalkonium Chloride 0.12%

Other ingredients include

  • Tannic Acid
  • Polyethylene Glycol 400
  • Sodium Saccharin
  • Propylene Glycol
  • Purified Water
  • Flavoring


According to the manufacturer, you are supposed to apply Tanac Liquid 4 times daily on the affected area. You can also consult with your doctor regarding dosage. Although, this product is appropriate for both and adults and children 2 years of age and above, care must be taken for children under 12 years old. It is necessary not to exceed the recommended dosage to avoid side effects. Do not use this product for more than 7 days unless advised by dentist or health consultant.


This product is available on Amazon. A 0.45 oz. (13.3mL) bottle of Tanac Liquid costs $8.43 with free shipping. It is not known how long one bottle of Tanac Liquid will last.

Possible Side Effects

We were unable to find any side effects listed for Tanac Liquid. Do not continue this product for more than 7 days unless directed by an oral health specialist. Discontinue use and seek medical help if the problem persists or gets worse after using Tanac Liquid. It would be better not to use this product if you are allergic to any “caine” anesthetics such as butacaine, procaine, and benzocaine.

Manufacturer’s Commitment

Apparently, you can only purchase this product from independent online merchants. You can refer to the return policies of the retailer from which you are buying this product. Customer Feedback is highly positive; almost every customer recommended this product for its effectiveness and good results.

The Bottom Line

Tanac Liquid seems to be one of most effective medicines for pain relief from mouth sores. The benefits and efficacy of this product justify the price. Directions are very easy to follow. There are no reported side effects. The overall positive feedback adds to the credibility of Tanac Liquid.

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