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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.

NAFAMOSTAT: 94 Adverse Event Reports & Safety Profile

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94
Total FAERS Reports
17 (18.1%)
Deaths Reported
40
Hospitalizations
94
As Primary/Secondary Suspect
17
Life-Threatening

Active Ingredient: NAFAMOSTAT MESYLATE ·

First Report: 200211 · Latest Report: 20250811

What Are the Most Common NAFAMOSTAT Side Effects?

#1 Most Reported
Off label use
29 reports (30.9%)
#2 Most Reported
Drug ineffective
11 reports (11.7%)
#3 Most Reported
Covid-19
7 reports (7.4%)

All NAFAMOSTAT Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
Off label use 29 30.9% 3 13
Drug ineffective 11 11.7% 1 5
Anaphylactic shock 7 7.5% 0 4
Covid-19 7 7.5% 2 5
Hypotension 6 6.4% 3 6
Tremor 6 6.4% 0 0
Acute respiratory distress syndrome 5 5.3% 3 3
Diarrhoea 5 5.3% 3 2
Disseminated intravascular coagulation 5 5.3% 3 3

Who Reports NAFAMOSTAT Side Effects? Age & Gender Data

Gender: 44.4% female, 55.6% male. Average age: 64.0 years. Most reports from: JP. View detailed demographics →

Is NAFAMOSTAT Getting Safer? Reports by Year

YearReportsDeathsHosp.
2002 1 1 1
2014 3 3 0
2015 6 0 4
2016 5 0 2
2017 3 2 2
2018 1 0 0
2019 2 0 1
2020 9 2 6
2021 2 0 0
2022 1 1 1
2024 3 1 2
2025 1 0 0

View full timeline →

What Is NAFAMOSTAT Used For?

IndicationReports
Covid-19 25
Product used for unknown indication 17
Anticoagulant therapy 13
Covid-19 pneumonia 8

Official FDA Label for NAFAMOSTAT

Official prescribing information from the FDA-approved drug label.