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Generic name: benzocaine topical [BENZ-oh-kane-TOP-ik-al]
Drug class: topical anaesthetics

What is Lanacane?

Lanacane is a local anaesthetic that contains benzocaine. It blocks nerve signals within your body.Lanacane can be used to relieve minor pain and discomfort from minor skin irritations such as insect bites, ivy sunburn, ingrown nails, or minor skin irritations caused by poison ivy.


Do not use Lanacane on a child under 2 years of age.A benzocaine overdose can have fatal side effects if the medication is absorbed too quickly through your skin into your blood. Use only the minimum amount.

Before you take this drug

If you've ever had methemoglobinemia, do not take Lanacane Do not use Lanacane on a child under 2 years of age.If you apply more than recommended, this can lead to fatal side effects.Overdoses of numbing medicine have been fatal when used without the doctor's advice (such as in a cosmetic procedure such as laser hair removal). Many cosmetic procedures are done without the presence of a doctor.

If you suffer from:

  • A personal or familial history of methemoglobinemia or any genetic (inherited) enzyme deficiency
  • Asthma or other breathing disorders; emphysema
  • Heart disease
  • If you smoke.

Consult your doctor before taking Lanacane while pregnant or breastfeeding.

Avoid areas where the mouth of a baby may be in contact with Lanacane.

Similar/related drugs

Aspirin, Acetaminophen, Tramadol, naproxen, oxycodone, and tylenol

How to take Lanacane?

Follow the instructions on the Lanacane label or those prescribed by your physician. Please read all instructions or medication guides.You may absorb more benzocaine by using too much of it, applying it to large areas of skin, or wrapping the treated area in plastic, bandages, or heat. Cut or irritated skin may absorb more topical medications than healthy, uninjured skin.Lanacane should only be used in small amounts to relieve pain or numb skin. Lanacane should not be used in large quantities. Covering treated skin with bandages or plastic wraps without consulting a doctor is not recommended.Lanacane should not be used to treat large areas of skin or deep puncture injuries. Use the medicine only on skin that has been abraded or burned.Apply a thin layer of Lanacane to the affected area to treat minor conditions. Hold the spray container between 6 and 12 inches from the skin when using it. This medication should not be sprayed directly on the face. Instead, spray it on your hands. Then rub it into your face. Avoid contact with your eye.Before applying the medicine, clean the area using soap and water.If your symptoms don't improve or worsen within the first seven days after using Lanacane, call your doctor. Call your doctor if you feel better but your symptoms return.Store away from moisture or heat at room temperature to maintain an appropriate environment for storage. To best preserve product, it should be stored away from moisture and heat at a constant room temperature - away from both humidity and heat sources.

What happens if I miss the dose?

Lanacane can be used as needed, and you don't need to follow a schedule. If it is almost time for the next dose, skip any missed dose.

What happens if I overdose?

Call the Poison Help Line at 1-800-222-1222 or seek emergency medical care. A benzocaine overdose applied to the skin may cause life-threatening effects such as irregular heartbeats (convulsions), seizures, coma, slow breathing, or respiratory problems.

What should be avoided?

Lanacane should only be used on the skin surface. Avoid getting this medication into your eyes.

Side effects of Lanacane

Lanacane is not to be used in your mouth. Some products that contain benzocaine can cause dangerously low oxygen levels in body tissues when used in the mouth. Methemoglobinemia is a potentially deadly condition. This condition can occur after a single use of benzocaine or even after multiple uses.

Symptoms can appear within minutes or even up to two hours after applying benzocaine to the throat or mouth. Get emergency medical help if:

  • A headache, tiredness, or confusion;
  • Fast heartbeats;
  • Feeling light-headed or having a shortness of breath.
  • Your skin, lips, or fingernails may appear pale, blue, or grey.

If you experience any of the following symptoms of lanacane allergy: itching, difficulty breathing, swelling in your face, lips, or throat, or hives, seek emergency medical attention.

If you experience any of the following symptoms, stop using lanacane immediately and contact your doctor.

  • The medicine may cause severe stinging or burning where it is applied.
  • The swelling, warmth,
  • Any signs of infection, such as oozing or blistering.

Lanacane can cause a variety of side effects.

  • The medicine may cause mild burning, stinging, or itching.
  • Skin tenderness or redness
  • Dry white flakes where the medicine has been applied.

There may be other side effects. Call your physician immediately if experiencing side effects; alternatively, the FDA can be reached at 1-800-FDA-1088 if there are adverse reactions reported to them..

Interaction with other drug

Other drugs that you take are unlikely to affect the medicine applied to your skin. Many drugs interact with each other. Inform your healthcare providers of all medications you take, including over-the-counter and prescription drugs, vitamins, and herbal supplements.