What is kank-a?

Kank-a® is the trademark of a drug, which uses the combined action of two active ingredients: benzocaine  and benzoin  , two chemical compounds that belong to the line of drugs with an anesthetic effect. and antiseptic, used to treat some conditions in the oral cavity .

To highlight: This medicine is made by the company called Blistex. Inc .


What is the kank-a for?

  • Kank-a®, thanks to the dual action of its active ingredients, on the one hand acts as an anesthetic for the relief of patients with wound pain, since it acts by blocking the sensory receptors of the mucous membranes and on the other hand it provides a layer that protects surfaces such as skin and mucous membranes from irritation or contact injuries.
  • It is used to treat:


Dosage and routes of administration of kank-a

The kank-a® is dispensed in a bottle with 9.7 ml of solution with applicator . The administration is via the buccal mucosa and the dosage for information purposes may be as follows:

  • Canker sores and mouth ulcerations: Carry out an application according to the package instructions, every two hours if necessary.


Side effects of kank-a

Treatment with kank-a® can cause some of the following adverse effects in a certain patient population:

  • Allergic reactions due to contact with any component of the formula.
  • Itching.
  • Pain.
  • Edema.
  • Irritation.

Important: If any of these allergic reactions or others not included in this list appear during treatment with this medication, please discontinue use and notify your doctor .

Contraindications and warnings of kank-a

The use of kank-a® is contraindicated in the following circumstances:

  • Hypersensitivity to any of the components of the formulation.
  • In patients with recent dental surgery.
  • During the pregnancy period.
  • During breastfeeding .

You should know: Provide all the information about your health history to your doctor, before starting treatment with kank-a®.

Avoid if you have:

  • History of hypersensitivity to benzocaine or benzoin.


  • Pharmaceutical products such as kank-a®, although they do not require a prescription for their sale, their use must be administered by a dental health specialist.
  • Suspend its use and consult your doctor, if after a period of 72 hours you do not see improvement in the treated lesions.
  • Avoid using this product for periods exceeding 7 continuous days.
  • Avoid contact of this medicine with the eyes.
  • Keep this drug out of the reach of children.

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