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Interferon gamma-1b (marketed as Actimmune) Information

Actimmune is a synthetic version of interferon gamma-1b, a naturally occurring biologic response modifier. FDA has approved Actimmune to decrease the number and severity of infections in patients with chronic granulomatous disease and to delay the progression of severe, malignant osteopetrosis.

Adverse reactions or quality problems experienced with the use of this drug may be reported to the FDA's MedWatch Adverse Event Reporting program using the contact information at the bottom of this page.

Contact FDA

1-800-FDA-0178 Fax
Report a Serious Problem

MedWatch Online

Regular Mail: Use postage-paid FDA Form 3500

Mail to: MedWatch 5600 Fishers Lane

Rockville, MD 20857

Page Last Updated: 06/19/2015
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