Reported Reactions

Drugs › Opioid agonist

Generic name

Hydrocodone bitartrate: adverse event reports filed with FDA

11,473 reports list it as a suspect or interacting product, 2004–2026. Class: Opioid agonist. Also reported as Hydrocodone Bitartrate Er.

11,473
reports as suspect product
0.1% of all reports · about 510 a year
297
reports, 12 months to June 2026
170 in the 12 months before
87.6%
marked serious by the reporter
91.7% across the class
16.4%
record death among outcomes, as reported
1,876 reports · not verified by FDA

11,473 adverse event reports received by FDA list hydrocodone bitartrate, a generic name as a suspect or interacting product, from January 2004 to June 2026. A further 5,767 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, 297 reports listed it, up 75% from 170 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 510 reports a year and 0.1% of the 20,646,523 reports in the database, and 1.2% of the reports for the opioid agonist class. How many people take it is not in the data, so a count is not a rate of occurrence.

Reporters most often recorded drug dependence (69.1%), pain (39.5%) and emotional distress (37.8%). A report can list several reactions, so shares add to more than 100%; 798 different terms appear across these reports. Drug dependence is recorded in 69.1% of these reports, a larger share than in the median opioid agonist drug (5.6%).

87.6% of the reports are marked serious by the reporter (91.7% across the class); 16.4% record death among the outcomes and 6% record hospitalisation, as reported. 47.5% of the reports came from other health professionals, and the largest patient age group is 18 to 44 (7.8%). 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

09261,851Jul 2021: 22Aug 2021: 167Sep 2021: 36Oct 2021: 17Nov 2021: 157Dec 2021: 1,8512022Jan 2022: 1,334Feb 2022: 43Mar 2022: 145Apr 2022: 2May 2022: 12Jun 2022: 115Jul 2022: 2Aug 2022: 8Sep 2022: 5Oct 2022: 340Nov 2022: 51Dec 2022: 82023Jan 2023: 1Feb 2023: 2Mar 2023: 14Apr 2023: 31May 2023: 4Jun 2023: 3Jul 2023: 5Aug 2023: 5Sep 2023: 3Oct 2023: 66Nov 2023: 30Dec 2023: 302024Jan 2024: 24Feb 2024: 14Mar 2024: 15Apr 2024: 10May 2024: 5Jun 2024: 6Jul 2024: 8Aug 2024: 7Sep 2024: 11Oct 2024: 18Nov 2024: 9Dec 2024: 112025Jan 2025: 13Feb 2025: 28Mar 2025: 14Apr 2025: 19May 2025: 21Jun 2025: 11Jul 2025: 35Aug 2025: 35Sep 2025: 30Oct 2025: 15Nov 2025: 14Dec 2025: 212026Jan 2026: 21Feb 2026: 21Mar 2026: 26Apr 2026: 40May 2026: 21Jun 2026: 18

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

02,3864,7722004: 9420042005: 622006: 412007: 5120072008: 1602009: 852010: 7520102011: 1102012: 1632013: 2520132014: 82015: 472016: 16820162017: 2152018: 2692019: 26720192020: 2,0612021: 4,7722022: 2,06520222023: 1942024: 1382025: 25620252026: 147

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Hydrocodone bitartrate reports recording the termmedian drug in opioid agonist

  1. Drug dependencedependence on a medicine69.1%7,928
  2. Painpain, site not specified39.5%4,531
  3. Emotional distressemotional distress37.8%4,340
  4. Drug withdrawal syndromesymptoms on stopping a medicine34.1%3,911
  5. Overdosea dose above the recommended amount25.9%2,966
  6. Foetal exposure during pregnancythe unborn baby was exposed to the medicine6.8%778
  7. Drug abusemisuse of a medicine6.4%739
  8. Anxietyanxiety6%691
  9. Developmental delayslower development in a child5.2%595
  10. Toxicity to various agentspoisoning or toxic effect of one or more substances4.7%538
  11. Deaththe patient died; cause not stated by this term4.3%489
  12. Depressionlow mood4%458
  13. Maternal exposure during pregnancythe mother took the medicine during pregnancy3.3%377
  14. Completed suicidedeath by suicide2.8%322
  15. Unevaluable eventthe event could not be assessed2.5%289
  16. Drug hypersensitivityan allergic-type reaction to a medicine2.4%279
  17. Disability2.1%243
  18. Drug ineffectivethe medicine did not work as expected1.7%199
  19. Nauseafeeling sick1.7%199
  20. Road traffic accidenta road accident1.6%179
  21. Insomniadifficulty sleeping1.5%167
  22. Injurya physical injury1.4%158
  23. Vomitingbeing sick1.4%158
  24. Constipationconstipation1.4%155

Top 30 of 798 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 42 drugs in the opioid agonist 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

Death16.4%1,876
Life-threatening0.5%59
Hospitalisation (initial or prolonged)6%690
Disability19.5%2,234
Congenital anomaly0.8%97
Other serious79.4%9,112
Not serious12.4%1,424

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 965,051 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 20.1%11
2 to 110.1%17
12 to 170.4%41
18 to 447.8%890
45 to 646.9%790
65 to 741.5%174
75 and over1%113
Age not given82.3%9,437

Patient sex

Female42.5%4,873
Male50.5%5,793
Not given7%807

Who reported

Physician7.5%858
Pharmacist0.3%31
Other health professional3.3%377
Lawyer47.5%5,449
Consumer or non-health professional40.4%4,630
Not given1.1%128

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 98.1% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Pain9037.9%
Back pain1581.4%
Pain management700.6%
Injury560.5%
Drug abuse410.4%
Back injury310.3%

The indication field is filled in by the reporter and is often blank; shares are of all 11,473 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Hydrocodone bitartrate reports
Oxycodone hydrochloride6,15453.6%
OxyContin6,09453.1%
Hydrocodone bitartrate and acetaminophen4,48039%
Dilaudid2,35120.5%
Morphine sulfate1,81415.8%
MS Contin1,74115.2%
Oxycodone and acetaminophen1,20210.5%
Tramadol1,16710.2%
Fentanyl8967.8%
Vicodin8547.4%

Other products listed in reports where Hydrocodone bitartrate 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

MeasureHydrocodone bitartrateOpioid agonistAll reports
Reports as suspect product11,473965,05120,646,523
Share of that pool—1.2%0.1%
Reports, latest 12 months297—1,332,454
Marked serious87.6%91.7%57.4%
Death recorded among outcomes, per 1,000 reports16435791
Hospitalisation recorded, per 1,000 reports60126213
Consumer-filed share40.4%32.5%45.8%
Top term, share of reportsDrug dependence 69.1%median 5.6%0.8%

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 opioid agonist class

DrugName typeReportsLatest 12 monthsMarked serious
OxyContinbrand146,26358494.6%
Oxycodone hydrochloridegeneric113,2202,59894.7%
Dilaudidbrand64,19117395.7%
Morphine sulfategeneric60,0921,57779.8%
Hydrocodone bitartrate and acetaminophengeneric59,05217096.2%
Percocetbrand57,79319895.4%
Fentanylgeneric53,6563,29286.2%
MS Continbrand52,1285598.7%
Oxycodonegeneric35,6712,85391.8%
Hysingla ERbrand30,703692.1%
Morphinegeneric28,4211,42190.5%
Nucyntabrand27,57512790.4%
Tramadol hydrochloridegeneric27,4471,95292.4%
Oxycodone and acetaminophengeneric24,91911294%
Norcobrand24,6614293.1%

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 Hydrocodone bitartrate reports

How many adverse event reports has FDA received for Hydrocodone bitartrate?

11,473 reports list Hydrocodone bitartrate as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 297 of them arrived in the latest 12 months. Another 5,767 list it only as a concomitant medication.

What reactions are recorded in Hydrocodone bitartrate reports?

drug dependence (69.1%), pain (39.5%), emotional distress (37.8%), drug withdrawal syndrome (34.1%) and overdose (25.9%). 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 Hydrocodone bitartrate was responsible.

How serious are the reports?

87.6% are marked serious by the reporter. Among the outcomes recorded, 16.4% of reports include death and 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?

lawyer (47.5%), consumer or non-health professional (40.4%) and physician (7.5%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Hydrocodone bitartrate rising?

297 reports in the 12 months to June 2026, up 75% from 170 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 Hydrocodone bitartrate 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 Hydrocodone bitartrate?

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 Hydrocodone bitartrate as a suspect or interacting product; reports listing it only as a concomitant medication (5,767) 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.