interferon alfa-2a (generic name)

It (Roferon-A) helps the immune system fight viral infections such as chronic hepatitis C, and certain cancers like Philadelphia chromosome pos...
(in ter FEER on AL fa 2 a)
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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 of medicine without consulting your doctor or health care professional. Different brands of 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. Alcohol can make you more drowsy or dizzy, increase confusion and lightheadedness. Avoid alcoholic drinks.

This medicine can cause flu-like symptoms and make you feel generally unwell. Report any side effects, but continue your medicine even though you feel ill, unless your doctor or health care professional tells you to stop. If you get a fever or sore throat that does not go away after the first few weeks of treatment, do not treat yourself. Call your doctor or health care professional as soon as you can if you think you have an infection. Other signs of infection include cough, lower back or side pain, and pain or difficulty passing urine.

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. Do not breast-feed an infant while taking this medicine.

This medicine can cause blood problems and may increase your risk to bruise or bleed. Call your doctor or health care professional if you notice any unusual bleeding. Be careful not to cut, bruise, or injure yourself because you may get an infection and bleed more than usual.

Be careful brushing and flossing your teeth or using a toothpick while receiving this medicine because you may get an infection or bleed more easily. If you have any dental work done, tell your dentist you are receiving this medicine.

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
  • breathing problems
  • changes in vision
  • chest pain or palpitations
  • depression
  • fast, irregular heartbeat
  • seizures
  • severe abdominal pain
  • signs of infection - fever or chills, cough, sore throat, pain or difficulty passing urine
  • unusual bleeding or bruising
  • unusually weak or tired
  • yellowing of the eyes or skin

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

  • hair loss
  • headaches
  • joint, leg, muscle, or back aches
  • nausea, vomiting
  • tiredness
  • weight loss

Where should I keep my medicine?

Keep out of the reach of children.

Store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Do not freeze or expose to light. Throw away any unused medicine after the expiration date.

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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Last Updated: May 05, 2009
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