Skip to content
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.

AVONEX: 6,166 Adverse Event Reports & Safety Profile

Boost Your Natural Energy & Metabolism

Mitolyn — 6 exotic plants to unlock your body's fat-burning power. 90-day guarantee.

Try Mitolyn Now
6,166
Total FAERS Reports
255 (4.1%)
Deaths Reported
1,246
Hospitalizations
6,166
As Primary/Secondary Suspect
2
Life-Threatening
4
Disabilities

First Report: 1993 · Latest Report: 20140619

What Are the Most Common AVONEX Side Effects?

#1 Most Reported
Influenza like illness
708 reports (11.5%)
#2 Most Reported
Memory impairment
497 reports (8.1%)
#3 Most Reported
Multiple sclerosis relapse
474 reports (7.7%)

All AVONEX Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Influenza like illness 708 11.5% 1 111
Memory impairment 497 8.1% 1 74
Multiple sclerosis relapse 474 7.7% 2 218
Fatigue 423 6.9% 1 69
Gait disturbance 400 6.5% 2 100
Anxiety 381 6.2% 0 36
Pain 377 6.1% 0 53
Injection site pain 345 5.6% 0 28
Headache 334 5.4% 0 59
Fall 328 5.3% 3 132
Multiple sclerosis 262 4.3% 20 76
Pain in extremity 253 4.1% 0 38
Injection site haemorrhage 251 4.1% 0 15
Mobility decreased 246 4.0% 2 51
Drug dose omission 228 3.7% 1 12
Hypoaesthesia 226 3.7% 1 60
Injection site bruising 226 3.7% 0 10
Malaise 218 3.5% 1 40
Asthenia 210 3.4% 1 52
Stress 201 3.3% 0 31

Who Reports AVONEX Side Effects? Age & Gender Data

Average age: 50.6 years. Most reports from: US. View detailed demographics →

Is AVONEX Getting Safer? Reports by Year

YearReportsDeathsHosp.
2000 43 1 11
2001 35 0 9
2002 52 1 16
2003 39 0 13
2004 38 2 7
2005 48 0 17
2006 61 5 26
2007 67 3 20
2008 69 5 20
2009 72 4 21
2010 88 2 38
2011 146 9 50
2012 263 14 76
2013 1,099 37 357
2014 1,678 22 339

View full timeline →

What Is AVONEX Used For?

IndicationReports
Multiple sclerosis 5,830
Relapsing-remitting multiple sclerosis 170
Product used for unknown indication 110
Maternal exposure timing unspecified 21
Accidental exposure to product 8
Primary progressive multiple sclerosis 5

AVONEX vs Alternatives: Which Is Safer?

AVONEX vs AXICABTAGENE CILOLEUCEL AVONEX vs AXITINIB AVONEX vs AZACITIDINE AVONEX vs AZATHIOPRINE AVONEX vs AZD-1222 AVONEX vs AZELAIC ACID AVONEX vs AZELASTINE AVONEX vs AZELASTINE\FLUTICASONE AVONEX vs AZELNIDIPINE AVONEX vs AZILECT

Official FDA Label for AVONEX

Official prescribing information from the FDA-approved drug label.