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Intron A
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Intron A

Generic name:interferon alfa-2b [ IN-ter-FEAR-on-AL-fa-2b ]
Drug class:Antineoplastic interferons

Medically reviewed by Drugs.com on Jul 10, 2020. Written by Cerner Multum.

What is Intron A?

Intron A is used to treat hairy cell leukemia, malignant melanoma, follicular lymphoma, Kaposi's sarcoma caused by AIDS, and certain types of genital warts. This medicine is also used to treat chronic hepatitis B or C in adults, and to treat chronic hepatitis B in children who are at least 1 year old.

Intron A may also be used for purposes not listed in this medication guide.

Warnings

You should not use Intron A if you have autoimmune hepatitis, or severe liver problems from causes other than hepatitis B or C.

You should not use Intron A with ribavirin if you are pregnant, or if you are a man whose sex partner is pregnant. Use effective birth control to prevent pregnancy while taking ribavirin and for at least 6 months after your last dose.

Intron A can cause life-threatening infections, autoimmune disorders, serious mood or behavior problems, or a stroke.

Call your doctor at once if you have: unusual changes in mood or behavior, chest pain, trouble breathing, sudden numbness or weakness, or signs of infection (fever, chills, cough with mucus, or burning when you urinate).

Before taking this medicine

You should not use Intron A if you are allergic to it, or if you have:

  • autoimmune hepatitis, or severe liver problems from causes other than hepatitis B or C.

You should not use the combination of interferon alfa-2b and ribavirin if you have:

  • severe kidney disease;

  • a blood cell disorder such as thalassemia or sickle cell anemia;

  • an allergy to interferons or ribavirin;

  • if you are pregnant; or

  • if you are a man and your sex partner is pregnant.

Tell your doctor if you have ever had

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