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Name of the generic: dibucaine topical DYE-bue-kane“DYE-bue-kane”
Names of brands: Dibucaine, Nupercainal
The class of drug: topical anesthetics

What is Nupercaine?

Dibucaine is an anesthetic or numbing drug.The nupercainal (for the face) is utilized to treat minor pain or itching that is caused by tiny cuts or burns, insect bites or stings, sunburn, or any other skin irritations.Nupercainal also helps alleviate itching and pain due to hemorrhoids or other irritations to the rectal area. Nupercaine is also used for reasons not mentioned in this guideline.

Side effects of Nupercainal

Contact a medical professional immediately. Get medical attention immediately if you notice symptoms that indicate an allergic reaction, such as hives, difficulty breathing, and swelling of your lips, face, or tongue.

Nupercaine can cause severe adverse effects. Take a break from Nupercainal and consult your physician immediately if you experience:

  • Intense burning or stinging
  • Bleeding in the rectal area or
  • You may experience a skin rash or another irritation on your skin.

The less serious side effects could be more likely, and you could not experience any whatsoever.

This is not a comprehensive list of all side effects. Other side effects could occur. Contact your physician for advice regarding medical adverse effects. You can report any adverse reactions to the FDA at 1-800-FDA-1088.


Follow the directions on your prescription label and the package. Be sure to inform your health care providers about your medical ailments and allergies, as well as any medications you take.

Before you take this drug

You shouldn't take Nupercainal in case you have an allergy to it. Talk to your doctor or pharmacist to determine if Nupercainal is safe to use if you suffer from any allergic reactions. Talk to your doctor prior to taking this medication if you are breastfeeding or pregnant. In the event that you use Nupercainal on your chest, stay clear of the areas that could come into contact with your baby's mouth. Do not take this medication for children younger than 12 years of age without medical advice.

How to take Nupercainal?

Follow the directions on the label or as directed by your doctor. Do not chew it. Topical medicines are intended for use exclusively on your skin. Nupercaine may cause serious adverse consequences if it is ingested into the mouth, especially in children. It is recommended to limit the use of 1 ounce of dibucaine every day (24 hours a day). If you are using the ointment for a child, limit the use to 1/4 ounce per day.

Cleanse your hands prior to and after applying the medication. Don't apply this medication to areas that are prone to irritation: open wounds, burns, broken skin, or areas of skin irritation. You could cover the skin with a thin gauze dressing or bandage.

To treat hemorrhoids, apply the ointment to the exterior of the rectum following each bowel movement. Repeat this up to four times a day. Contact your physician if your symptoms don't improve after seven weeks of therapy or if they become worse. Keep at ambient temperature. Avoid freezing. Make sure the tube is tightly sealed when not being used.

What happens if I miss the dose?

Apply the medicine as fast as you can; however, avoid the dose you missed if it is getting close to the time of the next dose. Don't apply two doses at the same time.

What happens if I overdose?

A dose of nupercaine is not likely to pose a risk. You should seek medical attention in an emergency or contact the Poison Help Line at 1-800-222-1222 if you have accidentally swallowed the drug.

What should be avoided?

Do not come into contact with Nupercainal in your nose, eyes, or mouth. If contact does occur, wash your mouth with water. Do not use other medicines or products for skin on the areas that you treat with dibucaine unless your doctor has instructed you to.

Interaction with other drugs

The skin care treatment is unlikely to be affected by other medicines that you are taking. However, many medications can interact with each other. Inform your health care providers about the medications you take, including prescription and non-prescription medicines, vitamins, and herbal remedies.