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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.

EFMOROCTOCOG ALFA: 1,832 Adverse Event Reports & Safety Profile

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1,832
Total FAERS Reports
22 (1.2%)
Deaths Reported
256
Hospitalizations
1,832
As Primary/Secondary Suspect
2
Life-Threatening
3
Disabilities

First Report: 201003 · Latest Report: 20250922

What Are the Most Common EFMOROCTOCOG ALFA Side Effects?

#1 Most Reported
Haemorrhage
836 reports (45.6%)
#2 Most Reported
Traumatic haemorrhage
139 reports (7.6%)
#3 Most Reported
Arthralgia
137 reports (7.5%)

All EFMOROCTOCOG ALFA Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Haemorrhage 836 45.6% 1 100
Traumatic haemorrhage 139 7.6% 0 28
Arthralgia 137 7.5% 1 23
Limb injury 120 6.6% 0 13
Fall 114 6.2% 1 26
Haemarthrosis 114 6.2% 0 11
Spontaneous haemorrhage 99 5.4% 0 13
Joint injury 97 5.3% 0 15
Contusion 73 4.0% 0 5
Head injury 67 3.7% 0 15
Pain 61 3.3% 0 15
Epistaxis 53 2.9% 0 6
Off label use 52 2.8% 0 4
Pain in extremity 49 2.7% 0 11
Weight increased 48 2.6% 0 16
Joint swelling 47 2.6% 0 11
Factor viii inhibition 41 2.2% 0 12
Muscle haemorrhage 40 2.2% 0 10
Ligament sprain 36 2.0% 0 2
Weight decreased 33 1.8% 0 5

Who Reports EFMOROCTOCOG ALFA Side Effects? Age & Gender Data

Gender: 1.9% female, 98.1% male. Average age: 28.5 years. Most reports from: US. View detailed demographics →

Is EFMOROCTOCOG ALFA Getting Safer? Reports by Year

YearReportsDeathsHosp.
2010 1 0 0
2011 1 0 0
2012 3 0 0
2013 1 0 0
2014 1 0 0
2015 3 0 2
2016 16 0 4
2017 46 0 3
2018 44 0 7
2019 22 0 5
2020 27 1 8
2021 43 1 7
2022 188 4 20
2023 477 5 68
2024 291 0 54
2025 240 2 30

View full timeline →

What Is EFMOROCTOCOG ALFA Used For?

IndicationReports
Factor viii deficiency 832
Haemorrhage 219
Prophylaxis 61
Immune tolerance induction 46
Product used for unknown indication 46
Haemophilia 34
Haemorrhage prophylaxis 22
Haemarthrosis 10

EFMOROCTOCOG ALFA vs Alternatives: Which Is Safer?

EFMOROCTOCOG ALFA vs EFTRENONACOG ALFA EFMOROCTOCOG ALFA vs EGG PHOSPHOLIPIDS\GLYCERIN\MEDIUM-CHAIN TRIGLYCERIDES\SOYBEAN OIL EFMOROCTOCOG ALFA vs EGG PHOSPHOLIPIDS\GLYCERIN\SOYBEAN OIL EFMOROCTOCOG ALFA vs EGG PHOSPHOLIPIDS\SAFFLOWER OIL\SOYBEAN OIL EFMOROCTOCOG ALFA vs ELACESTRANT EFMOROCTOCOG ALFA vs ELAFIBRANOR EFMOROCTOCOG ALFA vs ELAGOLIX EFMOROCTOCOG ALFA vs ELAGOLIX\ESTRADIOL\NORETHINDRONE EFMOROCTOCOG ALFA vs ELAPEGADEMASE-LVLR EFMOROCTOCOG ALFA vs ELASOMERAN

Official FDA Label for EFMOROCTOCOG ALFA

Official prescribing information from the FDA-approved drug label.