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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

INTERFERON ALFA-2A vs INTERFERON ALFA-2B: Which Drug Is Safer?

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INTERFERON ALFA-2A vs INTERFERON ALFA-2B: Safety Overview

Metric INTERFERON ALFA-2A INTERFERON ALFA-2B
Total FAERS Reports 592 2,075
Deaths Reported 83 145
Death Rate 14.0% 7.0%
Hospitalizations 171 389
Average Patient Age 53.7 yrs 53.2 yrs
% Female Patients 45.5% 48.6%
Marketing Status N/A Prescription