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  • Basic Info
Licensed from
Generic: peginterferon alfa-2a
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It is a man-made drug that acts like a protein made by the body

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What may interact with this medicine?

  • alcohol
  • medicines for HIV like didanosine, lamivudine, stavudine, zidovudine
  • methadone
  • theophylline

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.

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 may interfere with the effect of this medicine. Avoid alcoholic drinks.

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
- bloody diarrhea
- breathing problems
- change in blood sugar
- changes in vision
- chest pain
- confusion, trouble speaking or understanding
- fast, irregular heartbeat
- fever
- high blood pressure
- increased anger, depression, irritability, or thoughts of suicide
- pain in lower back or stomach
- pain, tingling, numbness in the hands or feet
- sudden numbness or weakness of the face, arm or leg
- trouble passing urine or change in the amount of urine
- trouble walking, dizziness, loss of balance or coordination
- unusual bleeding or bruising
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

- aches, pains
- dry, itchy skin
- hair loss
- loss of appetite
- nausea, stomach upset
- pain or swelling at site where injected
- trouble sleeping
- unusually weak or tired

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