Reported Reactions

Drugs › Dipeptidyl peptidase 4 inhibitor

Brand name · Linagliptin

Tradjenta: adverse event reports filed with FDA

4,627 reports list it as a suspect or interacting product, 2011–2026. Class: Dipeptidyl peptidase 4 inhibitor. Also reported as Tradjenta Tab.

4,627
reports as suspect product
0% of all reports · about 307 a year
31
reports, 12 months to June 2026
41 in the 12 months before
34.2%
marked serious by the reporter
57% across the class
5.3%
record death among outcomes, as reported
245 reports · not verified by FDA

4,627 adverse event reports received by FDA list the brand name Tradjenta (linagliptin) as a suspect or interacting product, from June 2011 to June 2026. A further 4,546 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, 31 reports listed it, down 24% from 41 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 307 reports a year and 0% of the 20,646,523 reports in the database, and 10% of the reports for the dipeptidyl peptidase 4 inhibitor class. How many people take it is not in the data, so a count is not a rate of occurrence.

Reporters most often recorded blood glucose increased (9.9%), pancreatitis (6%) and nausea (4.5%). A report can list several reactions, so shares add to more than 100%; 445 different terms appear across these reports. Blood glucose increased is recorded in 9.9% of these reports, a larger share than in the median dipeptidyl peptidase 4 inhibitor drug (5.7%).

34.2% of the reports are marked serious by the reporter (57% across the class); 5.3% record death among the outcomes and 17.8% record hospitalisation, as reported. 52.2% of the reports came from consumers, and the largest patient age group is 45 to 64 (16.4%). 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

0815Jul 2021: 10Aug 2021: 14Sep 2021: 15Oct 2021: 7Nov 2021: 12Dec 2021: 142022Jan 2022: 9Feb 2022: 8Mar 2022: 10Apr 2022: 5May 2022: 13Jun 2022: 8Jul 2022: 8Aug 2022: 11Sep 2022: 3Oct 2022: 3Nov 2022: 6Dec 2022: 12023Jan 2023: 4Feb 2023: 8Mar 2023: 7Apr 2023: 7May 2023: 10Jun 2023: 7Jul 2023: 3Aug 2023: 1Sep 2023: 2Oct 2023: 5Nov 2023: 4Dec 2023: 32024Jan 2024: 1Feb 2024: 5Mar 2024: 4Apr 2024: 6May 2024: 4Jun 2024: 4Jul 2024: 6Aug 2024: 9Sep 2024: 3Oct 2024: 4Nov 2024: 2Dec 2024: 02025Jan 2025: 2Feb 2025: 3Mar 2025: 2Apr 2025: 3May 2025: 3Jun 2025: 4Jul 2025: 3Aug 2025: 3Sep 2025: 3Oct 2025: 1Nov 2025: 0Dec 2025: 32026Jan 2026: 5Feb 2026: 3Mar 2026: 2Apr 2026: 3May 2026: 3Jun 2026: 2

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

03216422011: 19920112012: 6422013: 44320132014: 5172015: 54820152016: 5932017: 36020172018: 3352019: 30820192020: 2412021: 19920212022: 852023: 6120232024: 482025: 3020252026: 18

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of Tradjenta reports recording the termmedian drug in dipeptidyl peptidase 4 inhibitor

  1. Blood glucose increasedraised blood sugar reading9.9%459
  2. Pancreatitisinflammation of the pancreas6%278
  3. Nauseafeeling sick4.5%210
  4. Drug ineffectivethe medicine did not work as expected4.5%207
  5. Rashskin rash3.4%158
  6. Diarrhoealoose or frequent stools3.4%157
  7. Glycosylated haemoglobin increaseda raised HbA1c, the long-term sugar measure3.1%142
  8. Dizzinesslight-headedness or unsteadiness3%138
  9. Arthralgiajoint pain2.3%108
  10. Abdominal pain upperupper stomach pain2.3%106
  11. Abdominal painstomach or belly pain2.3%105
  12. Dyspnoeashortness of breath2.2%103
  13. Deaththe patient died; cause not stated by this term2.2%101
  14. Headachehead pain2.1%99
  15. Pruritusitching2.1%96
  16. Weight decreasedweight loss2%92
  17. Abdominal discomfortstomach discomfort1.7%80
  18. Falla fall1.7%80
  19. Back painback pain1.7%78
  20. Astheniaweakness or lack of energy1.7%77
  21. Fatiguetiredness1.7%77
  22. Vomitingbeing sick1.7%77
  23. Blood glucose decreasedlow blood sugar reading1.6%74
  24. Hypoglycaemialow blood sugar1.5%68
  25. Urticariahives1.4%66
  26. Coughcough1.3%62
  27. Renal failurekidney failure1.3%58

Top 30 of 445 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 10 drugs in the dipeptidyl peptidase 4 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

Death5.3%245
Life-threatening1.7%80
Hospitalisation (initial or prolonged)17.8%822
Disability1.7%77
Congenital anomaly0%0
Other serious16.9%782
Not serious65.8%3,045

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 46,081 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%3
2 to 110%1
12 to 170.1%3
18 to 442.1%97
45 to 6416.4%761
65 to 7415.7%726
75 and over15.9%736
Age not given49.7%2,300

Patient sex

Female50.7%2,345
Male40.3%1,864
Not given9%418

Who reported

Physician32.2%1,489
Pharmacist2.6%119
Other health professional11.5%533
Lawyer0.2%7
Consumer or non-health professional52.2%2,416
Not given1.4%63

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 92.5% of reports give the United States as the country of the event or reporter.

Reason for use recorded

Indication as recorded (MedDRA)ReportsShare
Type 2 diabetes mellitus2,00543.3%
Diabetes mellitus80717.4%
Blood glucose increased230.5%
Diabetes mellitus management110.2%
Blood glucose abnormal100.2%
Diabetes mellitus inadequate control70.2%

The indication field is filled in by the reporter and is often blank; shares are of all 4,627 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of Tradjenta reports
Metformin63913.8%
Lisinopril2345.1%
Glipizide2194.7%
Aspirin2134.6%
Lantus1523.3%
Jardiance1433.1%
Atorvastatin1403%
Glimepiride1242.7%
Simvastatin1232.7%
Amlodipine1192.6%

Other products listed in reports where Tradjenta 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

MeasureTradjentaDipeptidyl peptidase 4 inhibitorAll reports
Reports as suspect product4,62746,08120,646,523
Share of that pool—10%0%
Reports, latest 12 months31—1,332,454
Marked serious34.2%57%57.4%
Death recorded among outcomes, per 1,000 reports538791
Hospitalisation recorded, per 1,000 reports178292213
Consumer-filed share52.2%38.4%45.8%
Top term, share of reportsBlood glucose increased 9.9%median 5.7%0.9%

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 dipeptidyl peptidase 4 inhibitor class

DrugName typeReportsLatest 12 monthsMarked serious
Januviabrand30,21231051.2%
Sitagliptingeneric2,80537395.8%
Linagliptingeneric2,78128090.4%
Glyxambibrand1,4753942%
Sitagliptin phosphategeneric1,39913691.9%
Nesinabrand7921181.3%
Alogliptingeneric698786.1%
Saxagliptingeneric6682191.6%
Jentaduetobrand624442%

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 Tradjenta reports

How many adverse event reports has FDA received for Tradjenta?

4,627 reports list Tradjenta as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 31 of them arrived in the latest 12 months. Another 4,546 list it only as a concomitant medication.

What reactions are recorded in Tradjenta reports?

blood glucose increased (9.9%), pancreatitis (6%), nausea (4.5%), drug ineffective (4.5%) and rash (3.4%). 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 Tradjenta was responsible.

How serious are the reports?

34.2% are marked serious by the reporter. Among the outcomes recorded, 5.3% of reports include death and 17.8% 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?

consumer or non-health professional (52.2%), physician (32.2%) and other health professional (11.5%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for Tradjenta rising?

31 reports in the 12 months to June 2026, down 24% from 41 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 Tradjenta 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 Tradjenta?

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 Tradjenta as a suspect or interacting product; reports listing it only as a concomitant medication (4,546) 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.