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KANK-A Mouth Pain Liquid

Generic Name: Benzocaine topical [BENZ-oh-kane-TOP-ik-al].
The Class of Drug: Topical anesthetics.

What is KANK-A?

Kanik-A Mouth Pain Liquid contains benzocaine, a local anesthetic (numbing medication). It is a nerve blocker that blocks the nerve signals within your body. The mouth-pain liquid Kanik-A is able to numb areas inside the mouth and is used to treat canker sores as well as other oral abrasions. Kanik-A shouldn't be used to treat tooth pain in infants. It is not approved for use by children younger than two years.


Kanik-A, which is used to treat mouth ulcers, can cause a condition in which the oxygen levels in your tissues could be extremely low. This could lead to a fatal disease known as methemoglobinemia (met-HEEM-oh glo-bin-EE'-mee-a). Do not take this medication if you've previously suffered from methemoglobinemia. Get urgent medical assistance if you suffer from symptoms of METHEMOGLOBINEMIA: headache, fatigue, and disorientation; a fast heart rate; and feeling lightheaded or short of breath with a light blue or gray appearance on your lips, skin, or fingernails. A high dose of KANK-A could cause serious adverse effects if too much of the medication is absorbed by your oral membranes and eventually through your blood. Take only what is necessary. Make sure not to overestimate. Do not use KANK-A with children under 2-years-old.

Before you take this drug

Don't use KANK-A if you have suffered from methemoglobinemia previously. A benzocaine overdose could cause fatal reactions in the event that too much medication is absorbed into the skin and into your blood. This can happen when you use more than your recommended dosage. In the past, fatal overdoses occurred when numbing drugs were prescribed without the approval of a doctor (for example, during cosmetic procedures such as the removal of hair using lasers). Be aware that a lot of cosmetic procedures are done without the presence of a doctor. Speak with a pharmacist or doctor about whether KANK is safe to use if you suffer from:

  • An individual or family background of methemoglobinemia or the presence of any gene (inherited) enzyme deficiency.
  • Asthma, bronchitis, emphysema, or another breathing disorder.
  • Heart disease.
  • If you smoke.

Consult a physician before taking this medicine if you are breastfeeding or pregnant. If you apply KANK-A to your chest, stay clear of areas that might come into contact with your baby's mouth.

How to take KANK-A?

Take KANK-A as directed on the label or as directed by your physician. Review all medication guides and instructions. Your body could absorb more benzocaine when you apply too much, for instance, if you apply it to large areas of your skin or apply bandages, heat, or wraps of plastic to treat skin areas. Skin that has been cut or irritated can also absorb more topical medications than skin that is healthy. Make use of the smallest amount to numb the skin and alleviate discomfort. Avoid using large quantities of KAK-A.

Do not use KANK-A to treat large areas within the mouth. Contact your physician if your symptoms do not improve or if they become worse within the first 7 days after taking the KANK-A. Contact your doctor if you feel your symptoms have cleared but have returned. If you're treating a sore throat, consult your medical professional if the discomfort is intense or lasts for more than two days, particularly when you develop a headache, fever, skin rash or swelling, sickness, vomiting, or coughing issues. Keep at room temperature, away from heat and moisture. Avoid freezing.

What happens if I miss a dose?

Because KANK is only taken in emergencies, you might not be on a regular dosing schedule. Don't miss a dose when it's getting close to the next dose.

What happens if I overdose?

Get medical attention immediately, make a call to emergency medical assistance, or dial the Poison Help line at 1-800-222-1222. A high dose of topical benzocaine that is applied on the face could cause life-threatening adverse consequences such as irregular heartbeats, seizures (convulsions) or coma, slow breathing, and the respiratory system failing (breathing ceases).

What should be avoided?

Don't eat within one hour after applying KANK-A to your gums or inside your mouth. The KANK-A medication is only for use in the mouth. Do not put this medication directly in your eyes. Be careful not to swallow the liquid when applying it to your gums or inside of your mouth.

Side effects of KANK-A

Kanik-A, a mouthwash, can cause a condition in which the oxygen levels in your tissues may get extremely low. This could lead to a fatal condition known as methemoglobinemia (met-HEEM-oh glo-bin EE-mee-a). This can happen after just one dose of benzocaine or after many uses. The symptoms and signs can manifest within a matter of minutes or 2 hours following the use of KANK in the throat or mouth. Get emergency medical help if necessary:

  • A headache, tiredness, or confusion.
  • Fast heartbeats.
  • Feeling light-headed or sluggish of breath.
  • Blue, pale, or gray appearance of your lips, skin, or fingernails.

See a doctor immediately. If you show symptoms that suggest that an allergic reaction is occurring, seek medical help immediately. KANK A: itching, breathing problems, and swelling of your lips, face, or tongue. Stop taking this medication and contact your doctor immediately if you suffer from:

  • Extreme burning, stinging, or sensitivity when the medication is injected.
  • Redness, warmth, or swelling. redness.
  • Oozing, blistering, or any other signs of inflammation.

The most common KANK-A side effects include:

  • Minor burning, stinging, or itching wherever the medicine is sprayed.
  • Redness, or tenderness, of the skin.
  • Dry white flakes of sand where the medication was applied.

This is not a comprehensive list of possible side effects, and other side effects could be present. Consult your physician to seek medical advice on adverse effects. You can report any symptoms to the FDA at 1-800-FDA-1088.

Interaction with other drugs

Skin care products are unlikely to be affected by any other medications you take. However, many medications can interact with each other. Inform your health care professionals about the medicines you use, such as prescription and over-the-counter medications, vitamins, and herbal supplements.