Reported Reactions

Drugs

Brand name · Fezolinetant

Veozah: adverse event reports filed with FDA

1,682 reports list it as a suspect or interacting product, 2023–2026.

1,682
reports as suspect product
0% of all reports · about 561 a year
630
reports, 12 months to June 2026
590 in the 12 months before
16.8%
marked serious by the reporter
57.4% across all reports
0.1%
record death among outcomes, as reported
1 reports · not verified by FDA

1,682 adverse event reports received by FDA list the brand name Veozah (fezolinetant) as a suspect or interacting product, from July 2023 to June 2026. A further 173 reports list it only as a concomitant medication, and those are not counted in the figures on this page.

In the 12 months to June 2026, 630 reports listed it, close to the 590 of the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Over its reporting history that is about 561 reports a year and 0% of the 20,646,523 reports in the database. How many people take it is not in the data, so a count is not a rate of occurrence.

Reporters most often recorded drug ineffective (13.4%), alanine aminotransferase increased (10%) and hepatic enzyme increased (8.7%). A report can list several reactions, so shares add to more than 100%; 190 different terms appear across these reports. Drug ineffective is recorded in 13.4% of these reports, against 6.3% of all reports in the database.

16.8% of the reports are marked serious by the reporter; 0.1% record death among the outcomes and 2.6% record hospitalisation, as reported. 43.9% of the reports came from consumers, and the largest patient age group is 45 to 64 (36.5%). FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event."

Reports by month, five years

070139Jul 2021: 0Aug 2021: 0Sep 2021: 0Oct 2021: 0Nov 2021: 0Dec 2021: 02022Jan 2022: 0Feb 2022: 0Mar 2022: 0Apr 2022: 0May 2022: 0Jun 2022: 0Jul 2022: 0Aug 2022: 0Sep 2022: 0Oct 2022: 0Nov 2022: 0Dec 2022: 02023Jan 2023: 0Feb 2023: 0Mar 2023: 0Apr 2023: 0May 2023: 0Jun 2023: 0Jul 2023: 1Aug 2023: 47Sep 2023: 4Oct 2023: 7Nov 2023: 92Dec 2023: 92024Jan 2024: 2Feb 2024: 116Mar 2024: 19Apr 2024: 9May 2024: 139Jun 2024: 17Jul 2024: 14Aug 2024: 121Sep 2024: 90Oct 2024: 51Nov 2024: 35Dec 2024: 122025Jan 2025: 77Feb 2025: 64Mar 2025: 43Apr 2025: 33May 2025: 29Jun 2025: 21Jul 2025: 88Aug 2025: 43Sep 2025: 47Oct 2025: 77Nov 2025: 42Dec 2025: 522026Jan 2026: 26Feb 2026: 110Mar 2026: 34Apr 2026: 56May 2026: 26Jun 2026: 29

Reports by the month FDA received them. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases.

By year received

03136252023: 16020232024: 62520242025: 61620252026: 2812026

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Veozah reports recording the termall reports in the database

  1. Drug ineffectivethe medicine did not work as expected13.4%225
  2. Alanine aminotransferase increasedraised liver enzyme (ALT)10%168
  3. Hepatic enzyme increasedraised liver enzymes8.7%147
  4. Aspartate aminotransferase increasedraised liver enzyme (AST)7.6%127
  5. Off label useused for a purpose or in a way not on the label5.7%96
  6. Headachehead pain5.6%94
  7. Hot flusha hot flush5.1%86
  8. Nauseafeeling sick4.8%81
  9. Insomniadifficulty sleeping4.5%75
  10. Diarrhoealoose or frequent stools4%67
  11. Abdominal painstomach or belly pain3.4%58
  12. Dizzinesslight-headedness or unsteadiness3.3%55
  13. Fatiguetiredness3%50
  14. Back painback pain2.3%38
  15. Abdominal pain upperupper stomach pain2.1%35
  16. Condition aggravatedthe condition being treated got worse2%34
  17. Night sweatssweating at night1.7%29
  18. Pruritusitching1.5%26
  19. Intentional product use issuedeliberate use not as intended1.5%25
  20. Feeling abnormalfeeling odd or not right1.3%22
  21. Drug interactionan interaction between medicines1.2%21
  22. Rashskin rash1.2%21
  23. Arthralgiajoint pain1.2%20
  24. Inappropriate schedule of product administrationthe product was taken at the wrong times1.2%20
  25. Wrong technique in product usage processthe product was used in the wrong way1.1%19

Top 30 of 190 MedDRA preferred terms recorded across these reports, with a plain-language gloss where one is available. One report can record several terms. The hollow bar is the share of all reports in the database; it describes the reports, not the patients. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Outcomes recorded

Death0.1%1
Life-threatening0.4%7
Hospitalisation (initial or prolonged)2.6%44
Disability1%16
Congenital anomaly0%0
Other serious13.8%232
Not serious83.2%1,400

Outcome flags as the reporter set them; a report can carry several, and "other serious" is FDA's own category for serious reports outside the named outcomes. Grey bar: all 20,646,523 reports. FDA has not verified any outcome and states that the reports "cannot be used to estimate the incidence of these events."

Patients and reporters

Patient age

Under 20%0
2 to 110%0
12 to 170%0
18 to 442%33
45 to 6436.5%614
65 to 747.4%124
75 and over4.6%78
Age not given49.5%833

Patient sex

Female96%1,614
Male1.3%22
Not given2.7%46

Who reported

Physician37%623
Pharmacist1%16
Other health professional18%303
Lawyer0%0
Consumer or non-health professional43.9%739
Not given0.1%1

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 77.7% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Menopausal symptoms43525.9%
Hot flush35020.8%
Menopause231.4%
Hyperhidrosis171%
Night sweats120.7%
Flushing20.1%

The indication field is filled in by the reporter and is often blank; shares are of all 1,682 reports.

In context

MeasureVeozahAll reports
Reports as suspect product1,68220,646,523
Share of that pool—0%
Reports, latest 12 months6301,332,454
Marked serious16.8%57.4%
Death recorded among outcomes, per 1,000 reports191
Hospitalisation recorded, per 1,000 reports26213
Consumer-filed share43.9%45.8%
Top term, share of reportsDrug ineffective 13.4%6.3%

Shares are of reports, not of patients treated. The number of people taking a product is not in the data, so none of these figures is a rate, and differences between columns reflect who takes a product, who reports and how long it has been sold. FDA states that adverse event reports "represent a small percentage of total usage numbers of a product", that "common products may have a higher number of adverse events due to the higher total number of people using the product", and that the data "by themselves are not an indicator of the safety profile of the drug or biologic."

Questions about Veozah reports

How many adverse event reports has FDA received for Veozah?

1,682 reports list Veozah as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 630 of them arrived in the latest 12 months. Another 173 list it only as a concomitant medication.

What reactions are recorded in Veozah reports?

drug ineffective (13.4%), alanine aminotransferase increased (10%), hepatic enzyme increased (8.7%), aspartate aminotransferase increased (7.6%) and off label use (5.7%). These are MedDRA preferred terms coded from what the reporter described; a report can list several, and a term's presence is not a finding that Veozah was responsible.

How serious are the reports?

16.8% are marked serious by the reporter. Among the outcomes recorded, 0.1% of reports include death and 2.6% include hospitalisation. FDA has not verified these outcomes and states that the reports "cannot be used to estimate the incidence" of the events.

Who files these reports?

consumer or non-health professional (43.9%), physician (37%) and other health professional (18%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Veozah rising?

630 reports in the 12 months to June 2026, close to the 590 of the 12 months before. FDA releases FAERS data quarterly, so the newest months are incomplete and grow in later releases. Counts also move with how many people take a product, its time on the market and publicity.

Do these reports show that Veozah was responsible for these reactions?

No. FDA states that "a causal relationship cannot be established between product and reactions listed in a report" and that for any given report "there is no certainty that a suspected drug caused the event." The reaction may relate to the condition being treated, to other medicines, or to something else.

Is this a list of the side effects of Veozah?

No. It is a count of what was reported to FDA. The adverse reactions observed in clinical studies are printed on the FDA-approved label, which a pharmacist or clinician can go through with you.

How do I report an adverse event?

Consumers and health professionals can report to FDA through MedWatch (Form FDA 3500 online, or 1-800-FDA-1088), or to the manufacturer, which must pass reports on. See the guide on how to report.

Where this comes from. Counts are built from the openFDA Drug Adverse Event (FAERS) bulk export released 28 Sep 2026, which holds reports FDA received through 30 Jun 2026. Drug names are as reported, resolved to the brand or generic name on the FDA label where openFDA's harmonisation matched them; classes are the pharmacologic class (EPC) from the label and the National Drug Code Directory of 17 Sep 2026. A report counts here when it lists Veozah as a suspect or interacting product; reports listing it only as a concomitant medication (173) are excluded. No report narrative, lot number, patient detail or reporter identity is published. See the methodology and sources; FDA's record is authoritative, and corrections are handled within five working days.

Drug data (FAERS) through 30 Jun 2026; device data (MAUDE) through 31 Aug 2026. Not medical advice.