Generic Name: dibucaine topical (DYE bue kane)
Brand Name: Dibucaine, Nupercainal
Medically reviewed on December 14, 2016
What is Nupercainal?
Dibucaine is an anesthetic, or numbing medicine.
Nupercainal (for the skin) is used to treat minor pain and itching caused by burns, insect bites, sunburn, or other skin irritations. This medicine is also used to relieve rectal pain and itching caused by hemorrhoids or other rectal irritations.
Nupercainal may also be used for purposes not listed in this medication guide.
Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.
Before taking this medicine
You should not use Nupercainal if you are allergic to it.
Ask a doctor or pharmacist if it is safe for you to use Nupercainal if you have other medical conditions, especially:
asthma or sulfite allergy.
It is not known whether Nupercainal will harm an unborn baby. Ask a doctor before using this medicine if you are pregnant.
It is not known whether dibucaine topical passes into breast milk or if it could harm a nursing baby. Ask a doctor before using this medicine if you are breast-feeding a baby.
Do not give this medicine to a child younger than 12 years old without medical advice. Nupercainal should not be used on a child younger than 2 years old.
How should I use Nupercainal?
Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Do not take by mouth. Nupercainal is for use only on the skin. Do not use this medicine on open wounds or on sunburned, windburned, dry, chapped, or irritated skin.
Dibucaine is usually applied to the affected area 3 or 4 times daily. Follow the label directions about how much medicine to use and how often.
Before applying dibucaine, wash the skin with soap and water. Rinse thoroughly, and pat dry gently with a tissue or soft cloth.
Apply enough of the medicine to cover the entire area to be treated.
For hemorrhoids: Dibucaine ointment may be applied to the outside of the rectum. Do not place the medicine inside the rectum. Use after each bowel movement or up to 4 times per day to treat hemorrhoid pain and itching.
Wash your hands after applying this medicine.
It is best to use no more than 1 tube of dibucaine per day (24 hours). If you use the ointment on a child, use no more than 1/4 of a tube per day.
You may cover the treated skin area with a light bandage or gauze dressing. Avoid any covering that does not allow air to pass through it, such as plastic wrap.
Call your doctor if your symptoms do not improve after 7 days of treatment, or you have redness, irritation, swelling, bleeding, or any new symptoms.
Store at room temperature away from moisture and heat.
What happens if I miss a dose?
Since Nupercainal is used when needed, you may not be on a dosing schedule. If you are on a schedule, use the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra medicine to make up the missed dose.
What happens if I overdose?
An overdose of dibucaine topical is not expected to be dangerous. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222 if anyone has accidentally swallowed the medication.
What should I avoid while using Nupercainal?
Do not apply Nupercainal near your eyes. Rinse with water if the medicine gets in your eyes.
Avoid exposure to sunlight or tanning beds. Nupercainal can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.
Nupercainal side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Although the risk of serious side effects is low when dibucaine is applied to the skin, side effects can occur if the medicine is absorbed into your bloodstream. Your body may absorb dibucaine through the skin if you use too much or if you apply it over large skin areas. Skin that is cut or irritated may also absorb more medicine.
Stop using Nupercainal and call your doctor at once if you have:
headache, tired feeling, shortness of breath;
fast or irregular heartbeats;
seizure (convulsions); or
weak or shallow breathing.
Children can absorb larger amounts of this medicine through the skin and may be more likely to have side effects.
Also call your doctor at once if you have:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
What other drugs will affect Nupercainal?
It is not likely that other drugs you take orally or inject will have an effect on topically applied dibucaine. But many drugs can interact with each other. Tell each of your health care providers about all medicines you use, including prescription and over-the-counter medicines, vitamins, and herbal products.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Copyright 1996-2018 Cerner Multum, Inc. Version: 2.02.
More about Nupercainal (dibucaine topical)
- Nupercainal Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Support Group
- Pricing & Coupons
- En Español
- 6 Reviews
- Drug class: topical anesthetics