Reported Reactions

Drugs › Insulin analog

Brand name · Insulin aspart

NovoLog Mix 70/30: adverse event reports filed with FDA

2,101 reports list it as a suspect or interacting product, 2004–2026. Class: Insulin analog.

2,101
reports as suspect product
0% of all reports · about 95 a year
230
reports, 12 months to June 2026
111 in the 12 months before
65.5%
marked serious by the reporter
42.7% across the class
3.7%
record death among outcomes, as reported
77 reports · not verified by FDA

2,101 adverse event reports received by FDA list the brand name NovoLog Mix 70/30 (insulin aspart) as a suspect or interacting product, from May 2004 to June 2026. A further 878 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, 230 reports listed it, up 107% from 111 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 95 reports a year and 0% of the 20,646,523 reports in the database, and 0.7% of the reports for the insulin analog 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 (26.3%), blood glucose decreased (7.5%) and dizziness (3.6%). A report can list several reactions, so shares add to more than 100%; 303 different terms appear across these reports. Blood glucose increased is recorded in 26.3% of these reports, about the same share as in the median insulin analog drug (23%).

65.5% of the reports are marked serious by the reporter (42.7% across the class); 3.7% record death among the outcomes and 30.5% record hospitalisation, as reported. 78% of the reports came from consumers, and the largest patient age group is 45 to 64 (19.8%). 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

03977Jul 2021: 7Aug 2021: 4Sep 2021: 1Oct 2021: 8Nov 2021: 68Dec 2021: 42022Jan 2022: 9Feb 2022: 5Mar 2022: 4Apr 2022: 3May 2022: 6Jun 2022: 2Jul 2022: 1Aug 2022: 1Sep 2022: 10Oct 2022: 5Nov 2022: 46Dec 2022: 12023Jan 2023: 5Feb 2023: 3Mar 2023: 6Apr 2023: 2May 2023: 0Jun 2023: 0Jul 2023: 4Aug 2023: 0Sep 2023: 1Oct 2023: 5Nov 2023: 18Dec 2023: 32024Jan 2024: 2Feb 2024: 2Mar 2024: 7Apr 2024: 5May 2024: 8Jun 2024: 3Jul 2024: 4Aug 2024: 3Sep 2024: 5Oct 2024: 2Nov 2024: 44Dec 2024: 62025Jan 2025: 15Feb 2025: 10Mar 2025: 5Apr 2025: 2May 2025: 8Jun 2025: 7Jul 2025: 8Aug 2025: 4Sep 2025: 8Oct 2025: 11Nov 2025: 77Dec 2025: 432026Jan 2026: 28Feb 2026: 7Mar 2026: 4Apr 2026: 37May 2026: 0Jun 2026: 3

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

0991982004: 2620042005: 452006: 692007: 11220072008: 912009: 1072010: 6820102011: 632012: 462013: 1620132014: 212015: 1202016: 14020162017: 1612018: 1392019: 14020192020: 1082021: 1212022: 9320222023: 472024: 912025: 19820252026: 79

2026 covers reports received through June 2026 only.

Reactions recorded in the reports

share of NovoLog Mix 70/30 reports recording the termmedian drug in insulin analog

  1. Blood glucose increasedraised blood sugar reading26.3%553
  2. Blood glucose decreasedlow blood sugar reading7.5%157
  3. Dizzinesslight-headedness or unsteadiness3.6%75
  4. Hypoglycaemialow blood sugar3.6%75
  5. Visual impairmentreduced vision3.3%70
  6. Weight increasedweight gain3.1%65
  7. Drug ineffectivethe medicine did not work as expected3%63
  8. Product quality issuea problem with the product itself2.6%55
  9. Nauseafeeling sick2.5%53
  10. Malaisegeneral feeling of being unwell2.4%51
  11. Falla fall2.3%49
  12. Device malfunctionthe device did not work properly2.1%45
  13. Dyspnoeashortness of breath2%43
  14. Diabetes mellitus inadequate controldiabetes not well controlled2%41
  15. Headachehead pain1.9%40
  16. Hypoglycaemic unconsciousnesspassing out from low blood sugar1.9%40
  17. Glycosylated haemoglobin increaseda raised HbA1c, the long-term sugar measure1.8%38
  18. Loss of consciousnesspassing out1.8%38
  19. Drug dispensing errora dispensing mistake1.7%35
  20. Vision blurredblurred vision1.7%35
  21. Myocardial infarctionheart attack1.6%34
  22. Fatiguetiredness1.6%33
  23. Weight decreasedweight loss1.6%33
  24. Hyperhidrosisexcessive sweating1.5%32
  25. Diarrhoealoose or frequent stools1.4%30
  26. Tremorshaking1.4%30
  27. Cataractclouding of the eye lens1.4%29
  28. Vomitingbeing sick1.4%29

Top 30 of 303 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 26 drugs in the insulin analog 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

Death3.7%77
Life-threatening5%104
Hospitalisation (initial or prolonged)30.5%640
Disability1.4%30
Congenital anomaly0.1%2
Other serious38.1%800
Not serious34.5%725

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 289,293 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%0
2 to 110%1
12 to 170.5%10
18 to 443.7%78
45 to 6419.8%417
65 to 7417.5%368
75 and over13%273
Age not given45.4%954

Patient sex

Female55.4%1,163
Male39.3%826
Not given5.3%112

Who reported

Physician10.5%221
Pharmacist4.4%93
Other health professional5.6%117
Lawyer0%1
Consumer or non-health professional78%1,638
Not given1.5%31

Age and sex as stated in the report; the reporter's qualification is the primary source recorded by FDA. 87.1% 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 mellitus67932.3%
Diabetes mellitus37317.8%
Insulin-requiring type ii diabetes mellitus1215.8%
Type 1 diabetes mellitus934.4%
Insulin-requiring type 2 diabetes mellitus874.1%
Diabetes mellitus insulin-dependent180.9%

The indication field is filled in by the reporter and is often blank; shares are of all 2,101 reports.

Drugs most often listed in the same reports

Drug (any role in the report)ReportsShare of NovoLog Mix 70/30 reports
Novolog1627.7%
Levemir844%
Metformin823.9%
Aspirin733.5%
Lantus733.5%
Tresiba502.4%
Novolin 70/30442.1%
Victoza422%
Lisinopril391.9%
Ozempic381.8%

Other products listed in reports where NovoLog Mix 70/30 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

MeasureNovoLog Mix 70/30Insulin analogAll reports
Reports as suspect product2,101289,29320,646,523
Share of that pool—0.7%0%
Reports, latest 12 months230—1,332,454
Marked serious65.5%42.7%57.4%
Death recorded among outcomes, per 1,000 reports373591
Hospitalisation recorded, per 1,000 reports305186213
Consumer-filed share78%78.7%45.8%
Top term, share of reportsBlood glucose increased 26.3%median 23%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 insulin analog class

DrugName typeReportsLatest 12 monthsMarked serious
Humalogbrand71,1742,31234.4%
Lantus Solostarbrand45,7154,23024.6%
Lantusbrand39,1283,71863.8%
Insulin glarginegeneric27,9941,92342.8%
Toujeobrand15,4911,33224.7%
Novologbrand14,4771,57661.8%
Levemirbrand13,65267154.8%
Tresibabrand10,3731,26355.1%
Insulin lisprogeneric8,2091,11645.6%
Humalog Mix75/25brand8,13914023.8%
Insulingeneric8,13552288.9%
Apidrabrand3,6218669.2%
Insulin aspartgeneric3,23255388.6%
Sterile diluentgeneric3,22160019.4%
Humalog Kwikpenbrand3,04016927.5%

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 NovoLog Mix 70/30 reports

How many adverse event reports has FDA received for NovoLog Mix 70/30?

2,101 reports list NovoLog Mix 70/30 as a suspect or interacting product in the openFDA FAERS release of 28 Sep 2026, covering reports received through June 2026. 230 of them arrived in the latest 12 months. Another 878 list it only as a concomitant medication.

What reactions are recorded in NovoLog Mix 70/30 reports?

blood glucose increased (26.3%), blood glucose decreased (7.5%), dizziness (3.6%), hypoglycaemia (3.6%) and visual impairment (3.3%). 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 NovoLog Mix 70/30 was responsible.

How serious are the reports?

65.5% are marked serious by the reporter. Among the outcomes recorded, 3.7% of reports include death and 30.5% 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 (78%), physician (10.5%) and other health professional (5.6%). Most reports reach FDA through the manufacturer, which must forward reports it receives.

Are reports for NovoLog Mix 70/30 rising?

230 reports in the 12 months to June 2026, up 107% from 111 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 NovoLog Mix 70/30 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 NovoLog Mix 70/30?

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 NovoLog Mix 70/30 as a suspect or interacting product; reports listing it only as a concomitant medication (878) 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.