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  • Basic Info
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Generic: interferon gamma-1b
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In patients with chronic granulomatous disease, this medicine helps to fight infections

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What may interact with this medicine?

  • medicines that may suppress the immune system
  • theophylline

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress.

Reactions at the site of injection may occur. Ask your doctor or health care professional to suggest a series of injection sites, so that you do not have to use the same site repeatedly. You can use an injection site again after one week, providing the skin is not tender, red, or hard.

Flu- like symptoms are common with this medicine. Using this medicine at night can reduce the impact of these symptoms. Taking acetaminophen or ibuprofen before your injection may help lessen any fever or headache. Check with your doctor before using these medications.

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.

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
  • chest pain
  • fever, chills, or flu- like symptoms
  • unusually weak or tired

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

  • headache
  • increased sweating
  • muscle aches
  • nausea, vomiting
  • redness, swelling, or tenderness at site where injected

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. Use within 12 hours of taking out of the refrigerator. Throw away any unused vials if they have been out of the refrigerator longer than 12 hours. Do not use any vials 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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