Reported Reactions

Drugs › SARS-CoV-2 nucleotide analog RNA polymerase inhibitor

Generic name

Remdesivir: adverse event reports filed with FDA

7,668 reports list it as a suspect or interacting product, 2018–2026. Class: SARS-CoV-2 nucleotide analog RNA polymerase inhibitor. Also reported as Remdesivir 100mg Injection, Remdesivir 100mg, Remdesivir For Injection.

7,668
reports as suspect product
0% of all reports · about 1,012 a year
88
reports, 12 months to June 2026
249 in the 12 months before
79.6%
marked serious by the reporter
81.1% across the class
25.3%
record death among outcomes, as reported
1,941 reports · not verified by FDA

Between December 2018 and June 2026, 7,668 adverse event reports received by FDA list remdesivir, a generic name as a suspect or interacting product. Reports that mention it only as a concomitant medication (3,112) are left out of every figure here.

In the 12 months to June 2026, 88 reports listed it, down 65% from 249 in 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 1,012 reports a year and 0% of the 20,646,523 reports in the database, and 73.4% of the reports for the SARS-CoV-2 nucleotide analog RNA polymerase inhibitor class. How many people take it is not in the data, so a count is not a rate of occurrence.

The reactions recorded most often are off label use (13.1%), alanine aminotransferase increased (12.2%) and aspartate aminotransferase increased (7.9%). A report can list several reactions, so shares add to more than 100%; 815 different terms appear across these reports. Off label use is recorded in 13.1% of these reports, a larger share than in the median SARS-CoV-2 nucleotide analog RNA polymerase inhibitor drug (8.7%).

79.6% of the reports are marked serious by the reporter (81.1% across the class); 25.3% record death among the outcomes and 24.8% record hospitalisation, as reported. 49.7% of the reports came from pharmacists, and the largest patient age group is 45 to 64 (30%). 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

068136Jul 2021: 81Aug 2021: 121Sep 2021: 121Oct 2021: 89Nov 2021: 95Dec 2021: 1362022Jan 2022: 89Feb 2022: 86Mar 2022: 91Apr 2022: 62May 2022: 91Jun 2022: 90Jul 2022: 115Aug 2022: 81Sep 2022: 49Oct 2022: 56Nov 2022: 80Dec 2022: 812023Jan 2023: 68Feb 2023: 72Mar 2023: 37Apr 2023: 29May 2023: 59Jun 2023: 47Jul 2023: 32Aug 2023: 44Sep 2023: 33Oct 2023: 34Nov 2023: 35Dec 2023: 422024Jan 2024: 30Feb 2024: 15Mar 2024: 52Apr 2024: 26May 2024: 22Jun 2024: 19Jul 2024: 27Aug 2024: 21Sep 2024: 22Oct 2024: 44Nov 2024: 27Dec 2024: 152025Jan 2025: 17Feb 2025: 9Mar 2025: 10Apr 2025: 13May 2025: 13Jun 2025: 31Jul 2025: 15Aug 2025: 11Sep 2025: 13Oct 2025: 16Nov 2025: 4Dec 2025: 142026Jan 2026: 3Feb 2026: 2Mar 2026: 1Apr 2026: 2May 2026: 3Jun 2026: 4

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

02,1104,2192018: 120182019: 220192020: 4,21920202021: 1,44220212022: 97120222023: 53220232024: 32020242025: 16620252026: 152026

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Remdesivir reports recording the termmedian drug in sars-cov-2 nucleotide analog rna polymerase inhibitor

  1. Off label useused for a purpose or in a way not on the label13.1%1,007
  2. Alanine aminotransferase increasedraised liver enzyme (ALT)12.2%935
  3. Aspartate aminotransferase increasedraised liver enzyme (AST)7.9%609
  4. Deaththe patient died; cause not stated by this term6.9%532
  5. Acute kidney injurysudden loss of kidney function6.9%528
  6. Bradycardiaslow heart rate5.8%445
  7. Drug ineffectivethe medicine did not work as expected5.3%406
  8. Covid-19COVID-19 infection4.8%367
  9. Blood creatinine increasedraised creatinine, a kidney test4.2%324
  10. Respiratory failurethe lungs could not supply enough oxygen3.9%300
  11. Condition aggravatedthe condition being treated got worse3.7%283
  12. Hypotensionlow blood pressure2.8%214
  13. Cardiac arrestthe heart stopped2.8%213
  14. Hepatic enzyme increasedraised liver enzymes2.6%196
  15. Hypoxialow oxygen2.2%171
  16. Septic shockshock arising from infection2.2%170
  17. Renal impairmentreduced kidney function2.1%159
  18. Multiple organ dysfunction syndromeseveral organs failing1.9%144
  19. Drug interactionan interaction between medicines1.8%136
  20. Maternal exposure during pregnancythe mother took the medicine during pregnancy1.8%135
  21. Pneumonialung infection1.6%123
  22. Dyspnoeashortness of breath1.6%122
  23. Glomerular filtration rate decreasedreduced kidney filtering1.5%112
  24. Renal failurekidney failure1.4%111

Top 30 of 815 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 median share across the 2 drugs in the sars-cov-2 nucleotide analog rna polymerase inhibitor class; 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

Death25.3%1,941
Life-threatening10%767
Hospitalisation (initial or prolonged)24.8%1,901
Disability1.2%95
Congenital anomaly0.2%15
Other serious53.1%4,070
Not serious20.4%1,561

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 10,450 reports in the class. 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 20.8%58
2 to 111.1%87
12 to 171.1%88
18 to 4415.9%1,219
45 to 6430%2,299
65 to 7420.9%1,600
75 and over20.4%1,561
Age not given9.9%756

Patient sex

Female36.9%2,832
Male57%4,368
Not given6.1%468

Who reported

Physician16.8%1,291
Pharmacist49.7%3,809
Other health professional26.6%2,039
Lawyer0%0
Consumer or non-health professional4%305
Not given2.9%224

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 78.4% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Covid-194,95264.6%
Covid-19 pneumonia99312.9%
Covid-19 treatment1151.5%
Coronavirus infection861.1%
Sars-cov-2 test positive771%
Upper respiratory tract infection400.5%

The indication field is filled in by the reporter and is often blank; shares are of all 7,668 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Remdesivir reports
Dexamethasone2,37130.9%
Enoxaparin98712.9%
Ceftriaxone95212.4%
Tocilizumab7099.2%
Azithromycin Anhydrous6388.3%
Acetaminophen6308.2%
Heparin5957.8%
Methylprednisolone5797.6%
Vancomycin5437.1%
Propofol5357%

Other products listed in reports where Remdesivir is a suspect product, whatever their own role. Co-listing means the two were recorded together; it says nothing about either product's part in the event. Only the 2,500 most-reported names are counted here.

In context

MeasureRemdesivirSARS-CoV-2 nucleotide analog RNA polymerase inhibitorAll reports
Reports as suspect product7,66810,45020,646,523
Share of that pool—73.4%0%
Reports, latest 12 months88—1,332,454
Marked serious79.6%81.1%57.4%
Death recorded among outcomes, per 1,000 reports25325991
Hospitalisation recorded, per 1,000 reports248252213
Consumer-filed share4%5.9%45.8%
Top term, share of reportsOff label use 13.1%median 8.7%4.1%

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."

Other drugs in the sars-cov-2 nucleotide analog rna polymerase inhibitor class

DrugName typeReportsLatest 12 monthsMarked serious
Veklurybrand2,7826085.2%

Ordered by report count for navigation only. 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." A brand and its generic are separate rows because reporters name them separately.

Questions about Remdesivir reports

How many adverse event reports has FDA received for Remdesivir?

7,668 reports list Remdesivir as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 88 of them arrived in the latest 12 months. Another 3,112 list it only as a concomitant medication.

What reactions are recorded in Remdesivir reports?

off label use (13.1%), alanine aminotransferase increased (12.2%), aspartate aminotransferase increased (7.9%), death (6.9%) and acute kidney injury (6.9%). 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 Remdesivir was responsible.

How serious are the reports?

79.6% are marked serious by the reporter. Among the outcomes recorded, 25.3% of reports include death and 24.8% 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?

pharmacist (49.7%), other health professional (26.6%) and physician (16.8%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Remdesivir rising?

88 reports in the 12 months to June 2026, down 65% from 249 in 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 Remdesivir 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 Remdesivir?

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 Remdesivir as a suspect or interacting product; reports listing it only as a concomitant medication (3,112) 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.