interferon alfa-n3
What is the most important information I should know about interferon alfa-n3?
Call your doctor if your genital warts do not completely clear up within 3 months after your last injection of interferon alfa-n3.
What is interferon alfa-n3?
Interferon alfa-n3 is used to treat genital warts in adults. This medicine is for use only on the outside of the body.
Interferon alfa-n3 is usually given after other treatments have failed.
Interferon alfa-n3 may also be used for purposes not listed in this medication guide.
What should I discuss with my healthcare provider before receiving interferon alfa-n3?
Tell your doctor if you have ever had:
- low white blood cell (WBC) counts;
- an autoimmune disorder such as rheumatoid arthritis, lupus, or psoriasis;
- liver or kidney disease;
- depression or mental illness;
- heart problems; or
- a thyroid disorder.
Tell your doctor if you are pregnant or breastfeeding.
How is interferon alfa-n3 given?
Interferon alfa-n3 is injected directly into each genital wart lesion, usually given 2 times per week for up to 8 weeks.
A healthcare provider will give you this injection.
Your lesions may only partially clear up after 8 weeks, but you may notice improvement even after your treatment ends.
Tell your doctor if your warts do not completely clear up within 3 months after your last injection.
What happens if I miss a dose?
Call your doctor for instructions if you miss an appointment for your interferon alfa-n3 injection.
What should I avoid while receiving interferon alfa-n3?
Follow your doctor's instructions about any restrictions on food, beverages, or activity.
What are the possible side effects of interferon alfa-n3?
Get emergency medical help if you have signs of an allergic reaction (hives, chest tightness, wheezing, difficult breathing, swelling in your face or throat) or a severe skin reaction (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling).
Call your doctor at once if you have:
- chest pain or pressure;
- a light-headed feeling, like you might pass out;
- blurred vision;
- a hoarse voice; or
- low white blood cell counts --fever, mouth sores, skin sores, sore throat, cough.
Common side effects may include:
- headache;
- vomiting;
- fever, chills, flu-like symptoms; or
- joint or muscle pain.
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.
What other drugs will affect interferon alfa-n3?
Other drugs may affect interferon alfa-n3, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.
Where can I get more information?
Your doctor or pharmacist can provide more information about interferon alfa-n3.
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.
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