Interferon Alfa-n3 (Injection)
Interferon Alfa-n3 (in-ter-FEER-on AL-fa-n3 )
Treats condylomata acuminata, which is genital warts caused by the human papilloma virus (HPV).
Alferon NThere may be other brand names for this medicine.
When This Medicine Should Not Be Used:You should not receive this medicine if you have had an allergic reaction to alfa interferon products. You should not receive this medicine if you have had a serious allergic reaction to IgG (an immunoglobulin medicine), egg products, or neomycin. You should not receive this medicine if you are under 18 years of age.
How to Use This Medicine:
- A nurse or other trained health professional will give you this medicine. This medicine is given as a shot into the area of the warts.
- Use only the brand of this medicine that your doctor prescribed. Different brands may not work the same way.
- Genital warts usually begin to disappear after several weeks of treatment with this medicine. They may continue to decrease for several weeks after you are done receiving this medicine.
If a dose is missed:
- This medicine needs to be given on a fixed schedule. Keep all appointments.
Drugs and Foods to Avoid:
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Warnings While Using This Medicine:
- Make sure your doctor knows if you are pregnant, breast feeding, or if you have diabetes. Tell your doctor if you have angina, congestive heart failure, or other heart problems. Make sure your doctor knows if you have a history of blood clots, bleeding problems (such as hemophilia), or circulation problems. Tell your doctor if you have breathing problems or lung disease, bone marrow problems, recent cancer treatment, or a history of seizures.
- This medicine is made from donated human blood. Some human blood products have transmitted certain viruses to people who have received them. The risk of getting a virus from medicines made of human blood has been greatly reduced in recent years. This is the result of required testing of human donors for certain viruses, and testing during manufacture of these medicines. Although the risk is low, talk with your doctor if you have concerns.
- This medicine will not protect you from getting HIV/AIDS or other sexually transmitted diseases. If this is a concern for you, talk with your doctor.
- While you are using this medicine, use two forms of birth control to avoid pregnancy. This is important for both men and women receiving this medicine.
- Your doctor will need to check your progress at regular visits while you are using this medicine. Be sure to keep all appointments.
Possible Side Effects While Using This Medicine:
Call your doctor right away if you notice any of these side effects:
- Dizziness or weakness.
- Fever, or swollen glands in your neck or groin.
- Numbness or tingling.
- Seizures (convulsions).
- Trouble urinating, or a decrease in how much or how often you urinate.
- Vision changes.
If you notice these less serious side effects, talk with your doctor:
- Headache, or pain in your muscles, joints, or back.
- Menstrual (period) changes.
- Hot flashes, or new problems tolerating warmer temperatures.
- Your genital warts increase in number or become bigger. Also call if you have new sores on your lips or face.
- Nervousness, trouble concentrating (focusing), unusual tiredness, or trouble sleeping.
- Redness, pain, or itching at the site where the medicine was given.
- Vomiting, or a strange taste in your mouth.
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088Last Updated:
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