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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.

FOSCARBIDOPA\FOSLEVODOPA: 3,161 Adverse Event Reports & Safety Profile

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3,161
Total FAERS Reports
431 (13.6%)
Deaths Reported
1,747
Hospitalizations
3,161
As Primary/Secondary Suspect
32
Life-Threatening
29
Disabilities

First Report: 20200401 · Latest Report: 20250925

What Are the Most Common FOSCARBIDOPA\FOSLEVODOPA Side Effects?

#1 Most Reported
On and off phenomenon
391 reports (12.4%)
#2 Most Reported
Fall
343 reports (10.9%)
#3 Most Reported
Hallucination
293 reports (9.3%)

All FOSCARBIDOPA\FOSLEVODOPA Side Effects by Frequency

Side Effect Reports % of Total Deaths Hosp.
On and off phenomenon 391 12.4% 15 245
Fall 343 10.9% 26 263
Hallucination 293 9.3% 21 202
Dyskinesia 237 7.5% 8 138
Death 203 6.4% 202 43
General physical health deterioration 173 5.5% 47 121
Infusion site erythema 157 5.0% 8 84
Mobility decreased 154 4.9% 10 109
Infusion site pain 143 4.5% 4 57
Malaise 139 4.4% 10 95
Tremor 133 4.2% 3 78
Device issue 124 3.9% 5 76
Infusion site reaction 121 3.8% 2 47
Confusional state 118 3.7% 6 88
Therapeutic product effect incomplete 113 3.6% 3 61
Infusion site induration 112 3.5% 4 74
Freezing phenomenon 111 3.5% 2 65
Pneumonia 109 3.5% 36 92
Urinary tract infection 108 3.4% 11 89
Asthenia 105 3.3% 6 77

Who Reports FOSCARBIDOPA\FOSLEVODOPA Side Effects? Age & Gender Data

Gender: 42.2% female, 57.8% male. Average age: 70.4 years. Most reports from: EU. View detailed demographics →

Is FOSCARBIDOPA\FOSLEVODOPA Getting Safer? Reports by Year

YearReportsDeathsHosp.
2020 1 0 1
2021 1 0 1
2022 2 0 1
2023 15 3 11
2024 538 60 366
2025 1,953 267 1,139

View full timeline →

What Is FOSCARBIDOPA\FOSLEVODOPA Used For?

IndicationReports
Parkinson's disease 2,446
Product used for unknown indication 701
On and off phenomenon 13

FOSCARBIDOPA\FOSLEVODOPA vs Alternatives: Which Is Safer?

FOSCARBIDOPA\FOSLEVODOPA vs FOSCARNET FOSCARBIDOPA\FOSLEVODOPA vs FOSFOMYCIN FOSCARBIDOPA\FOSLEVODOPA vs FOSFOMYCIN TROMETHAMINE FOSCARBIDOPA\FOSLEVODOPA vs FOSINOPRIL FOSCARBIDOPA\FOSLEVODOPA vs FOSPHENYTOIN FOSCARBIDOPA\FOSLEVODOPA vs FOSTAMATINIB FOSCARBIDOPA\FOSLEVODOPA vs FOSTEMSAVIR TROMETHAMINE FOSCARBIDOPA\FOSLEVODOPA vs FOTEMUSTINE FOSCARBIDOPA\FOSLEVODOPA vs FRAMYCETIN FOSCARBIDOPA\FOSLEVODOPA vs FREMANEZUMAB

Official FDA Label for FOSCARBIDOPA\FOSLEVODOPA

Official prescribing information from the FDA-approved drug label.