FDA FAERS Adverse Event Reports

111000
Total Reports
60668
Serious Reports
108
Reporter Countries
Clear
25940629 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311702
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Product dose omission in error (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 01/01/2018 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa52104", "safetyreportid": "25940629", "authoritynumb": null, "companynumb": "US-SA-2025SA311702", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Product dose omission in error", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "602", "drugstartdate": "2018-01-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }
25940628 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311851
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
69.0 yr
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Dysphagia (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QW | Form: Solution for injection | Indication: Eosinophilic oesophagitis | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 wk | Cumulative: -- (unit: --)
Start: 08/01/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20251001

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa52103", "safetyreportid": "25940628", "authoritynumb": null, "companynumb": "US-SA-2025SA311851", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 69.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dysphagia", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Eosinophilic oesophagitis", "drugstartdateformat": "610", "drugstartdate": "2025-08-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20251001" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25940627 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Consumer
Literature Reference
--
Company Number
US-SANOFI-02691966
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
1
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
65.0 yr
Patient Age Group
Elderly
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Injection site erythema (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 065 | Dosage: 300 MG, QW | Form: Solution for injection | Indication: Eosinophilic oesophagitis | Action: Unknown
Auth#: 761055 | Batch#: FW0866 | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 1.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (1)

SANOFI: US-SANOFI-02691966

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa52100", "safetyreportid": "25940627", "authoritynumb": null, "companynumb": "US-SANOFI-02691966", "duplicate": 1, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 65.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Injection site erythema", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": "FW0866", "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 1.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QW", "drugdosageform": "Solution for injection", "drugadministrationroute": "065", "drugindication": "Eosinophilic oesophagitis", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 5, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [ { "duplicatesource": "SANOFI", "duplicatenumb": "US-SANOFI-02691966" } ], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }
25940623 Type 1
Non-Serious
DUPIXENT, DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311710
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
32.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Dry eye (v28.1) Unknown
Condition aggravated (v28.1) Unknown

Drugs (2)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 600 MG, 1X | Form: Solution for injection | Indication: Eczema | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 600.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: -- -- | Cumulative: -- (unit: --)
Start: 08/01/2025 | End: 08/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --
DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: -- | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 08/01/2025 | End: 09/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250801

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520fe", "safetyreportid": "25940623", "authoritynumb": null, "companynumb": "US-SA-2025SA311710", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 32.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dry eye", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Condition aggravated", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 600.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": null, "drugintervaldosagedefinition": null, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "600 MG, 1X", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Eczema", "drugstartdateformat": "610", "drugstartdate": "2025-08-01T00:00:00", "drugenddateformat": "610", "drugenddate": "2025-08-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] }, { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": null, "drugstartdateformat": "610", "drugstartdate": "2025-08-01T00:00:00", "drugenddateformat": "610", "drugenddate": "2025-09-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250801" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }
25940625 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA310202
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
75.0 yr
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Drug ineffective (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: -- | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520fd", "safetyreportid": "25940625", "authoritynumb": null, "companynumb": "US-SA-2025SA310202", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 75.0, "patientonsetageunit": 801, "patientagegroup": 6, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Drug ineffective", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": null, "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }
25940622 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311127
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
62.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (3)

Asthma (v28.1) Unknown
Wheezing (v28.1) Unknown
Dyspnoea (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Asthma | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520fb", "safetyreportid": "25940622", "authoritynumb": null, "companynumb": "US-SA-2025SA311127", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 62.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Asthma", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Wheezing", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dyspnoea", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Asthma", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }
25940621 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311109
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
1.0 yr
Patient Age Group
Infant
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Dry skin (v28.1) Unknown
Skin exfoliation (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 200 MG, Q4W | Form: Solution for injection | Indication: Dermatitis allergic | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 200.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 4.0 wk | Cumulative: -- (unit: --)
Start: -- | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520fc", "safetyreportid": "25940621", "authoritynumb": null, "companynumb": "US-SA-2025SA311109", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 1.0, "patientonsetageunit": 801, "patientagegroup": 2, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dry skin", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Skin exfoliation", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 200.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 4.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "200 MG, Q4W", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis allergic", "drugstartdateformat": null, "drugstartdate": null, "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25940620 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311056
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
--
Patient Age Group
Elderly
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Peripheral swelling (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 10/01/2023 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

--

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520fa", "safetyreportid": "25940620", "authoritynumb": null, "companynumb": "US-SA-2025SA311056", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": null, "patientonsetageunit": null, "patientagegroup": 6, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Peripheral swelling", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "610", "drugstartdate": "2023-10-01T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": null }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25940619 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/17/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA311286
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
17.0 yr
Patient Age Group
Adolescent
Patient Sex
Male
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (2)

Nasal congestion (v28.1) Unknown
Nasal polyps (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Nasal polyps | Action: Withdrawn
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 08/22/2024 | End: 07/01/2025 | Duration: -- -- | Rechallenge: -- | Additional: --
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250101

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520f9", "safetyreportid": "25940619", "authoritynumb": null, "companynumb": "US-SA-2025SA311286", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 17.0, "patientonsetageunit": 801, "patientagegroup": 4, "patientweight": null, "patientsex": 1, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nasal congestion", "reactionoutcome": 6 }, { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Nasal polyps", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Nasal polyps", "drugstartdateformat": "102", "drugstartdate": "2024-08-22T00:00:00", "drugenddateformat": "610", "drugenddate": "2025-07-01T00:00:00", "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": null, "actiondrug": 1, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250101" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-17T00:00:00", "transmissiondateformat": "102" }
25940618 Type 1
Non-Serious
DUPIXENT
Report Version
1
Receive Date
10/20/2025
Receipt Date
10/20/2025
Transmission Date
01/18/2026
Primary Source Country
US
Occurrence Country
US
Reporter Country
US
Reporter Qualification
Other Health Professional
Literature Reference
--
Company Number
US-SA-2025SA310810
Authority Number
--
Sender Organization
SANOFI AVENTIS
Sender Type
6
Receiver Organization
FDA
Receiver Type
6
Expedite Criteria
No
Duplicate
--
FAERS Quarter
2025Q4
Source File
1_ADR25Q4.xml
Patient Age
20.0 yr
Patient Age Group
Adult
Patient Sex
Female
Patient Weight
--

Seriousness Details

Death Hospitalization Life-Threatening Disabling Congenital Anomaly Other Serious

Reactions (1)

Dermatitis atopic (v28.1) Unknown

Drugs (1)

DUPIXENT (DUPILUMAB) Suspect
Route: 058 | Dosage: 300 MG, QOW | Form: Solution for injection | Indication: Dermatitis atopic | Action: Unknown
Auth#: 761055 | Batch#: -- | Structured Dosage: 300.0 (unit: 003) | Separate Dosage#: 1.0 | Interval: 2.0 wk | Cumulative: -- (unit: --)
Start: 04/09/2025 | End: -- | Duration: -- -- | Rechallenge: -- | Additional: Unknown
Recurrences: --

Clinical Narrative

CASE EVENT DATE: 20250901

Report Duplicates (0)

--

Raw JSON (click to expand)

{ "_id": "69d4354c3b3830196fa520f8", "safetyreportid": "25940618", "authoritynumb": null, "companynumb": "US-SA-2025SA310810", "duplicate": null, "fulfillexpeditecriteria": 2, "occurcountry": "US", "patient": { "patientonsetage": 20.0, "patientonsetageunit": 801, "patientagegroup": 5, "patientweight": null, "patientsex": 2, "reaction": [ { "reactionmeddraversionpt": "28.1", "reactionmeddrapt": "Dermatitis atopic", "reactionoutcome": 6 } ], "drug": [ { "drugcharacterization": 1, "medicinalproduct": "DUPIXENT", "drugauthorizationnumb": "761055", "drugbatchnumb": null, "drugstructuredosagenumb": 300.0, "drugstructuredosageunit": "003", "drugseparatedosagenumb": 1.0, "drugintervaldosageunitnumb": 2.0, "drugintervaldosagedefinition": 803, "drugcumulativedosagenumb": null, "drugcumulativedosageunit": null, "drugdosagetext": "300 MG, QOW", "drugdosageform": "Solution for injection", "drugadministrationroute": "058", "drugindication": "Dermatitis atopic", "drugstartdateformat": "102", "drugstartdate": "2025-04-09T00:00:00", "drugenddateformat": null, "drugenddate": null, "drugtreatmentduration": null, "drugtreatmentdurationunit": null, "drugrecurreadministration": null, "drugadditional": 3, "actiondrug": 5, "activesubstance": { "activesubstancename": "DUPILUMAB" }, "drugrecurrence": [] } ], "summary_narrativeincludeclinical": "CASE EVENT DATE: 20250901" }, "primarysource": { "reportercountry": "US", "qualification": 3, "literaturereference": null }, "primarysourcecountry": "US", "quarter": "2025Q4", "receiptdate": "2025-10-20T00:00:00", "receiptdateformat": "102", "receivedate": "2025-10-20T00:00:00", "receivedateformat": "102", "receiver": { "receivertype": 6, "receiverorganization": "FDA" }, "reportduplicate": [], "reporttype": 1, "safetyreportversion": 1, "sender": { "sendertype": 6, "senderorganization": "SANOFI AVENTIS" }, "serious": 2, "seriousnesscongenitalanomali": 2, "seriousnessdeath": 2, "seriousnessdisabling": 2, "seriousnesshospitalization": 2, "seriousnesslifethreatening": 2, "seriousnessother": 2, "source_file": "1_ADR25Q4.xml", "transmissiondate": "2026-01-18T00:00:00", "transmissiondateformat": "102" }