interferon alfa-n3 (generic name)

This medicine is used to treat genital warts, which are caused by a viral infection
(in ter FEER on AL fa n 3)
Table of Contents
powered by healthline

Average Ratings

What is this medicine?

INTERFERON ALFA-n3 (in ter FEER on AL fa n 3) helps the immune system fight viral infections. This medicine is used to treat genital warts, which are caused by a viral infection.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • blood clotting disorder
  • bone marrow disease
  • diabetes
  • heart disease
  • lung or breathing disease, like COPD
  • seizures
  • an unusual or allergic reaction to interferons, neomycin, mouse or egg proteins, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

This medicine is injected directly into the lesions by a trained health care professional.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

It is important not to miss your dose. Call your doctor or health care professional if you are unable to keep an appointment.

What may interact with this medicine?

  • aldesleukin
  • eflornithine
  • theophylline
  • zidovudine

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. You will need regular blood checks.

Do not change brands without consulting your doctor or health care professional. Different brands of this medicine can act differently in your body. Check with your pharmacist if your refills do not look like your original product.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells. Alcohol can make you more drowsy or dizzy, increase confusion and lightheadedness. Avoid alcoholic drinks.

Do not become pregnant while taking this medicine. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • fever or chills

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • back pain
  • headaches
  • muscle aches
  • nausea, vomiting
  • tiredness

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.

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.

Last Updated: May 05, 2009
Licensed from
Top of page
General Drug Tools
General Drug Tools view all tools
Tools for
Healthy Living
Tools for Healthy Living view all tools
Search Tools
Search Tools view all tools
Insurance Plan Tools
Insurance Plan Tools view all tools

What is a reference number?

When you register on this site, you are assigned a reference number. This number contains your profile information and helps UnitedHealthcare identify you when you come back to the site.

If you searched for a plan on this site in a previous session, you might already have a reference number. This number will contain any information you saved about plans and prescription drugs. To use that reference number, click on the "Change or view saved information" link below.

You can retrieve information from previous visits to this site, such as saved drug lists and Plan Selector information.