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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: 814 Adverse Event Reports & Safety Profile

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814
Total FAERS Reports
91 (11.2%)
Deaths Reported
157
Hospitalizations
814
As Primary/Secondary Suspect
32
Life-Threatening
8
Disabilities

First Report: 1985 · Latest Report: 20230701

What Are the Most Common INTERFERON Side Effects?

#1 Most Reported
Drug ineffective
119 reports (14.6%)
#2 Most Reported
Off label use
83 reports (10.2%)
#3 Most Reported
Fatigue
58 reports (7.1%)

All INTERFERON Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Drug ineffective 119 14.6% 12 27
Off label use 83 10.2% 6 19
Fatigue 58 7.1% 1 10
Hepatitis c 55 6.8% 1 9
Nausea 52 6.4% 0 12
Treatment failure 46 5.7% 2 1
Anaemia 40 4.9% 6 8
Asthenia 39 4.8% 1 14
Malaise 35 4.3% 0 12
Pyrexia 35 4.3% 1 14
Depression 32 3.9% 8 9
Rash 32 3.9% 1 12
Weight decreased 32 3.9% 3 12
Pain 29 3.6% 0 5
Product use in unapproved indication 29 3.6% 6 5
Anxiety 28 3.4% 0 14
Feeling abnormal 28 3.4% 0 6
Headache 28 3.4% 0 4
Adverse drug reaction 27 3.3% 0 1
Pneumonia 26 3.2% 13 11

Who Reports INTERFERON Side Effects? Age & Gender Data

Gender: 47.8% female, 52.2% male. Average age: 52.1 years. Most reports from: US. View detailed demographics →

Is INTERFERON Getting Safer? Reports by Year

YearReportsDeathsHosp.
2000 1 0 0
2001 3 0 0
2003 1 1 0
2004 1 0 0
2006 5 0 1
2007 5 0 0
2008 2 0 0
2009 3 1 1
2010 6 1 1
2011 3 2 1
2012 19 2 4
2013 22 2 11
2014 43 5 18
2015 24 4 9
2016 23 9 11
2017 14 2 6
2018 11 3 6
2019 13 3 1
2020 20 0 3
2021 5 0 4
2022 3 0 1
2023 4 0 2

View full timeline →

What Is INTERFERON Used For?

IndicationReports
Hepatitis c 213
Product used for unknown indication 139
Chronic hepatitis c 70
Chronic myeloid leukaemia 42
Covid-19 38
Hepatitis b 20
Multiple sclerosis 15
Essential thrombocythaemia 14
Malignant melanoma 14
Kaposi's sarcoma 13

INTERFERON vs Alternatives: Which Is Safer?

INTERFERON vs INTERFERON ALFA-2A INTERFERON vs INTERFERON ALFA-2A OR INTERFERON ALFA-2B INTERFERON vs INTERFERON ALFA-2B INTERFERON vs INTERFERON BETA INTERFERON vs INTERFERON BETA-1A INTERFERON vs INTERFERON BETA-1B INTERFERON vs INTERFERON GAMMA INTERFERON vs INTERFERON GAMMA-1B INTERFERON vs INVEGA INTERFERON vs INVEGA SUSTENNA

Official FDA Label for INTERFERON

Official prescribing information from the FDA-approved drug label.