February 11, 2016
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Intron A

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Intron A



There is limited experience with overdosage. Postmarketing surveillance includes reports of patients receiving a single dose as great as 10 times the recommended dose. In general, the primary effects of an overdose are consistent with the effects seen with therapeutic doses of interferon alfa-2b. Hepatic enzyme abnormalities, renal failure, hemorrhage, and myocardial infarction have been reported with single administration overdoses and/or with longer durations of treatment than prescribed (see ADVERSE REACTIONS). Toxic effects after ingestion of interferon alfa-2b are not expected because interferons are poorly absorbed orally. Consultation with a poison center is recommended.

Treatment There is no specific antidote for interferon alfa-2b. Hemodialysis and peritoneal dialysis are not considered effective for treatment of overdose.


INTRON® A is contraindicated in patients with:

INTRON A and REBETOL® combination therapy is additionally contraindicated in:

  • Patients with hypersensitivity to ribavirin or any other component of the product
  • Women who are pregnant
  • Men whose female partners are pregnant
  • Patients with hemoglobinopathies (e.g., thalassemia major, sickle cell anemia)
  • Patients with creatinine clearance less than 50 mL/min. See REBETOL prescribing information for additional information.
This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 9/25/2014


Intron A - User Reviews

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