Reported Reactions

Adverse event reports that FDA received

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Parkinson's disease adverse event reports that record this term

Kind of term
MedDRA preferred term

What a report is

A report is not proof that the drug was the cause of the event.

FDA says:

Adverse event reports submitted to FDA do not undergo extensive validation or verification. Therefore, a causal relationship cannot be established between product and reactions listed in a report. While a suspected relationship may exist, it is not medically validated and should not be the sole source of information for clinical decision making or other assumptions about the safety or efficacy of a product. Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product.

Source: openFDA, Drug Adverse Event Overview, section "Responsible use of the data". The site read the page on . The data have the reports that FDA received through .

FDA also says:

There is no certainty that the reported event (adverse event or medication error) was actually due to the product. FDA does not require that a causal relationship between a product and event be proven, and reports do not always contain enough detail to properly evaluate an event. The information in these reports has not been scientifically or otherwise verified as to a cause and effect relationship and cannot be used to estimate the incidence of these events.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated.

Source: openFDA, Response of the drug event API (meta.disclaimer). The site read the page on .

Not medical advice. This site counts what was reported to FDA. Questions about a medicine or device belong with a pharmacist or clinician.

Reports on file

From April 2004 to June 2026, FDA received 16,425 adverse event reports that record the MedDRA preferred term Parkinson's disease. The person who codes a report selects the term that agrees best with the description of the reporter.

FDA received 1,336 reports in the 12 months to June 2026 and 1,419 in the 12 months before. FDA releases FAERS data every quarter, so the newest months are not complete. They grow in later releases.

By reports in the 12 months to June 2026, this term was number 499 of 1,436 reaction terms with a page. Of the 1,332,454 drug reports that FDA received in the 12 months to June 2026, 1,336 (0.1%) record this term. Reports for male patients were 54% of the reports that record this term and 34.6% of all drug reports.

The number of people who use the product is not in the data. A count is not a rate.

MedDRA

The Medical Dictionary for Regulatory Activities. The person who codes a report selects the preferred term that agrees best with the description of the reporter. FDA does not publish the description.

Data version

openFDA FAERS release of 29 Oct 2026. Reports received through 30 Jun 2026.

Drugs in these reports

The table has the 68 drug pages with 50 or more reports that record this term. The rows are in order of name. A drug page with fewer reports for this term is not in the table. The counts are the counts that the site keeps for each reaction term, and a count can be lower than the count of FDA.

FDA says:

Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

Importantly, the AEMS data by themselves are not an indicator of the safety profile of the drug or biologic.

Source: FDA, FDA Adverse Event Monitoring System (AEMS) Public Dashboard. Content current as of . The site read the page on .

Drugs that the reports with the term Parkinson's disease name as a suspect product, in order of name
DrugClassReports with this term
AbilifyAtypical antipsychotic142
AmantadineInfluenza A M2 protein inhibitor89
ApixabanFactor Xa inhibitor139
ApokynDopaminergic agonist120
AripiprazoleAtypical antipsychotic90
Atorvastatin53
AzilectMonoamine oxidase inhibitor66
Benserazide Hydrochloride Levodopa61
Bisoprololbeta-Adrenergic blocker83
Carbidopa and levodopaAromatic amino acid96
Carbidopa levodopaAromatic amino acid1,201
CerezymeHydrolytic lysosomal glucocerebroside-specific enzyme70
CitalopramSerotonin reuptake inhibitor102
ClozapineAtypical antipsychotic188
ClozarilAtypical antipsychotic206
Comtan125
CosentyxInterleukin-17A antagonist76
DiovanAngiotensin 2 receptor blocker54
Domperidone54
Duodopa879
DuopaAromatic amino acid560
DupixentInterleukin-4 receptor alpha antagonist50
EliquisFactor Xa inhibitor124
EnbrelTumor necrosis factor blocker135
EntrestoAngiotensin 2 receptor blocker95
ExelonCholinesterase inhibitor203
ForteoParathyroid hormone analog59
Foscarbidopa/foslevodopa130
GocovriInfluenza A M2 protein inhibitor88
HumalogInsulin analog101
Humira294
ImbruvicaKinase inhibitor71
InbrijaAromatic amino acid734
IngrezzaVesicular monoamine transporter 2 inhibitor82
LansoprazoleProton pump inhibitor87
LevodopaAromatic amino acid75
Lyrica155
MethotrexateFolate analog metabolic inhibitor58
MetoclopramideDopamine-2 receptor antagonist93
Mirtazapine101
NeuproNonergot dopamine agonist166
NexiumProton pump inhibitor55
Northera138
Nourianz93
NuplazidAtypical antipsychotic2,159
OlanzapineAtypical antipsychotic74
PantoprazoleProton pump inhibitor54
PramipexoleNonergot dopamine agonist73
ProliaRANK ligand inhibitor124
QuetiapineAtypical antipsychotic136
Quetiapine fumarateAtypical antipsychotic56
Requip61
RevlimidThalidomide analog168
RexultiAtypical antipsychotic54
RisperdalAtypical antipsychotic58
RisperidoneAtypical antipsychotic75
RivastigmineCholinesterase inhibitor116
RopiniroleNonergot dopamine agonist127
RotigotineNonergot dopamine agonist277
RytaryAromatic amino acid290
SeroquelAtypical antipsychotic85
SinemetAromatic amino acid287
Stalevo386
StelaraInterleukin-12 antagonist53
VedolizumabIntegrin receptor antagonist51
Vyalev103
XeljanzJanus kinase inhibitor122
XyremCentral nervous system depressant60

The page of each drug has the count of each reaction term in its reaction lookup.

Drug classes in these reports

The table has the 49 pharmacologic classes with 50 or more reports that record this term. The rows are in order of name.

FDA says:

Additionally, it is important to remember that adverse event reports represent a small percentage of total usage numbers of a product. Common products may have a higher number of adverse events due to the higher total number of people using the product.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

Importantly, the AEMS data by themselves are not an indicator of the safety profile of the drug or biologic.

Source: FDA, FDA Adverse Event Monitoring System (AEMS) Public Dashboard. Content current as of . The site read the page on .

Pharmacologic classes of the drugs that the reports with the term Parkinson's disease name, in order of name
ClassReports with this term
Androgen receptor inhibitor50
Angiotensin 2 receptor blocker266
Anti-epileptic agent108
Anti-IgE65
Anticholinergic67
Aromatic amino acid3,243
Atypical antipsychotic3,481
Benzodiazepine138
beta-Adrenergic blocker167
beta3-Adrenergic agonist51
Bisphosphonate136
Calcium channel blocker67
Catechol-O-Methyltransferase inhibitor74
Central nervous system depressant64
Cholinesterase inhibitor327
Corticosteroid166
Dopamine-2 receptor antagonist159
Dopaminergic agonist131
Factor Xa inhibitor293
Folate analog metabolic inhibitor87
GLP-1 receptor agonist76
Histamine-1 receptor antagonist81
HMG-CoA reductase inhibitor122
Hydrolytic lysosomal glucocerebroside-specific enzyme94
Influenza A M2 protein inhibitor190
Insulin analog293
Integrin receptor antagonist78
Interleukin-12 antagonist55
Interleukin-17A antagonist80
Interleukin-4 receptor alpha antagonist53
Janus kinase inhibitor178
Kinase inhibitor247
l-Thyroxine55
Monoamine oxidase inhibitor89
Nonergot dopamine agonist682
Nonsteroidal anti-inflammatory drug97
Opioid agonist171
Osmotic laxative54
Parathyroid hormone analog75
PCSK9 inhibitor52
Platinum-based drug51
Proton pump inhibitor274
RANK ligand inhibitor129
Serotonin and norepinephrine reuptake inhibitor86
Serotonin reuptake inhibitor265
Sodium-Glucose cotransporter 2 inhibitor60
Thalidomide analog214
Tumor necrosis factor blocker245
Vesicular monoamine transporter 2 inhibitor86

A class with many reports in all has many reports for almost every term.

Reports by month

Reports that record Parkinson's disease, by month, five years to June 2026
025050020222023202420252026

FDA releases FAERS data every quarter, so the newest months are not complete. They grow in later releases.

Patients in these reports

Age of the patient in the reports that record Parkinson's disease
AgeReportsShareShare as a bar
Under 200%
2 to 113under 0.1%
12 to 1790.1%
18 to 441781.1%
45 to 641,80211%
65 to 743,09718.9%
75 and over3,87323.6%
Age not given7,46345.4%
Sex of the patient in the reports that record Parkinson's disease
SexReportsShareShare as a bar
Female6,56740%
Male8,86754%
Unknown or not given9916%

Age and sex are as the report gives them. 57.9% of these reports give the United States as the country.

Terms near this one

These are the next terms in the A to Z list. The links are for navigation.

Official pages

The site checked these addresses on . The links open in a new tab.

Cite this page

Reported Reactions. Parkinson's disease: adverse event reports that record this term. https://reportedreactions.com/reaction/parkinson-s-disease/ Source: U.S. Food and Drug Administration, openFDA Drug Adverse Event (FAERS) files, release of . Reports received through .

Where the data come from

The counts come from the openFDA Drug Adverse Event (FAERS) bulk files, release of 29 Oct 2026. The files have the reports that FDA received through 30 Jun 2026. A drug name is the name on the report. The site matches it to a brand name or a generic name of the National Drug Code Directory of 2 Nov 2026. A class is the pharmacologic class (EPC) of the FDA label.

The count has the reports with each spelling of one MedDRA preferred term. The site does not publish a report narrative, a lot number, a detail of a patient or the identity of a reporter. The record of FDA is the authority. See how the site counts reports, the data sources and the corrections page.

Questions

What does Parkinson's disease mean in an adverse event report?

It is a MedDRA preferred term. FDA codes the description of a reporter with the MedDRA dictionary. The openFDA files do not have the description itself, and this site does not show it.

Does a drug in the table mean that the drug was responsible for this reaction?

No. FDA says:

No individual drug is connected to any individual reaction.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

When a report lists multiple drugs and multiple reactions, there is no way to conclude from the data therein that a given drug is responsible for a given reaction.

Source: openFDA, Drug Adverse Event Overview. The site read the page on .

What does this page tell a person who has this symptom?

This page gives counts of reports. It cannot assess a person. A pharmacist or a clinician can assess a person.

If this is a medical emergency, please call 911.

Source: FDA, MedWatch Online Voluntary Reporting Form. The site read the page on .