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Interferon Gamma-1B

Pronounced

"in-ter-FEER-on GAM-muh"

Uses

This medication is used to reduce the frequency and severity of serious infections due to chronic granulomatous disease, a disorder that runs in families. This drug is often used along with antibiotics to help prevent these serious infections.

This medication is also used to slow the worsening of malignant osteopetrosis, another disorder that runs in families, that affects bones, nerves, and blood.

This medication is the same as a protein that your body naturally produces (interferon). In the body, it is thought to work by affecting cell function/growth and the body's natural defenses (immune system) in many ways. Adding more interferon may help your body fight off serious infections.

How to Use This Medication

Read the Patient Information Leaflet if available from your pharmacist before you start using this medication and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

This medication is given by injection under the skin as directed by your doctor, usually 3 times weekly (for example, Monday, Wednesday, and Friday). The injection is given in the thighs or upper arms. This medication is best used in the evening before bedtime to reduce side effects. The dosage is based on your body size, medical condition, and response to treatment.

If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Do not shake the solution. Before using, check this product for particles or discoloration. If either is present, do not use the liquid. Before injecting each dose, clean the skin you are going to inject into (the injection site) with rubbing alcohol. Change the injection site each time to lessen injury under the skin. Do not inject into skin that is irritated, sore, or infected. To lessen bruising, do not rub the injection site after a shot. Learn how to store and discard medical supplies safely.

Use this medication regularly to get the most benefit from it. To help you remember, use it at the same time each evening that you have a scheduled dose.

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RxAnswers™ is a copyrighted combined product from TraceGains and First DataBank, Inc.

Drug information is selected from data included with permission and copyrighted by First DataBank, Inc. This is a summary and does not contain all possible information about this product. For complete information about this product or your specific health needs, ask your healthcare professional. Always seek the advice of your healthcare professional if you have any questions about this product or your medical condition. This information is not intended as individual medical advice and does not substitute for the knowledge and judgment of your healthcare professional. This information does not contain any assurances that this product is safe, effective or appropriate for you.

This information is intended only for residents of the United States. Products sold under the same brand names in other countries may contain different ingredients.

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Information expires December 2025.