AdverseEvent.ai
This page presents data from the FDA Adverse Event Reporting System (FAERS) and the FDA-approved drug label. A report submitted to FAERS does not prove a drug caused the reported event. Always consult a healthcare provider about medications.

Basaglar Kwikpen (insulin glargine)

insulin analog
Last updated: June 20, 2026
Preview tracking

Basaglar Kwikpen is the brand name for insulin glargine, a insulin analog. According to the FDA-approved label, BASAGLAR ® is indicated to improve glycemic control in adults and pediatric patients with type 1 diabetes mellitus and in adults with type 2 diabetes mellitus. BASAGLAR ® is a long-acting human insulin analog indicated to improve glycemic control in adults and pediatric patients. FAERS contains 240,129 submissions naming this drug from 2001 through 2026; the top three reactions cited are blood glucose increased, off label use, and drug ineffective.

Most-Reported Reactions

Counts of the reactions most often cited in FAERS submissions that named Basaglar Kwikpen. Inclusion here does not establish causation - submitters describe what was observed, not what was confirmed. One submission can list several reactions, so the totals exceed the report count.

BLOOD GLUCOSE INCREASED 38,576 (16.1%) OFF LABEL USE 12,532 (5.2%) DRUG INEFFECTIVE 10,410 (4.3%) BLOOD GLUCOSE DECREASED 10,394 (4.3%) INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION 9,976 (4.2%) NAUSEA 9,740 (4.1%) PRODUCT STORAGE ERROR 8,871 (3.7%) VISUAL IMPAIRMENT 8,661 (3.6%) HYPOGLYCAEMIA 7,859 (3.3%) DIARRHOEA 7,050 (2.9%) FATIGUE 6,876 (2.9%) INCORRECT DOSE ADMINISTERED 6,666 (2.8%) MALAISE 6,601 (2.7%) WEIGHT DECREASED 6,365 (2.7%) INJECTION SITE PAIN 6,309 (2.6%)

Patient Demographics

Patient sex and age across the FAERS submissions that named Basaglar Kwikpen. Percentages here are computed only from submissions where these fields were filled in - many leave them blank.

By Sex

Female Male Unknown

By Age Group

0-17 18-44 45-64 65+

Severity Outcomes

Severity flags recorded across the 240,129 FAERS submissions that named Basaglar Kwikpen. Each bar shows the count of those reports carrying that flag. A single case can carry more than one (a hospitalization that became life-threatening, for example), so these bars are independent rates - they don't sum to 100%. Inclusion of a case under any flag does not establish that the drug caused the outcome.

DEATH 13,381 (5.6%) HOSPITALIZATION 63,753 (26.5%) LIFE-THREATENING 7,248 (3.0%) DISABLING 5,249 (2.2%)

Submissions Per Quarter

Quarterly count of FAERS submissions that named Basaglar Kwikpen. Ups and downs on this chart can track prescribing volume, news cycles, or shifts in how reports get filed, rather than the drug becoming safer or more dangerous.

2001 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

From the FDA-Approved Label

Excerpts from the official FDA-approved prescribing information for Basaglar Kwikpen. This is the authoritative source on indications, warnings, and known adverse reactions.

Indications

1 INDICATIONS AND USAGE BASAGLAR ® is indicated to improve glycemic control in adults and pediatric patients with type 1 diabetes mellitus and in adults with type 2 diabetes mellitus. BASAGLAR ® is a long-acting human insulin analog indicated to improve glycemic control in adults and pediatric patients with type 1 diabetes mellitus and in adults with type 2 diabetes mellitus. ( 1 ) Limitations of Use : Not recommended for treating diabetic ketoacidosis. ( 1 ) Limitations of Use BASAGLAR is not recommended for the treatment of diabetic ketoacidosis.

Adverse Reactions (from label)

6 ADVERSE REACTIONS The following adverse reactions are discussed elsewhere: Hypoglycemia [see Warnings and Precautions ( 5.3 )] . Hypoglycemia Due to Medication Errors [see Warnings and Precautions ( 5.4 )] . Hypersensitivity Reactions [see Warnings and Precautions ( 5.5 )] . Hypokalemia [see Warnings and Precautions ( 5.6 )] . Adverse reactions commonly (≥5%) associated with insulin glargine products are: Hypoglycemia, allergic reactions, injection site reaction, lipodystrophy, pruritus, rash, edema, and weight gain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Eli Lilly and Company at 1-800-LillyRx (1-800-545-5979) or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trial Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Two clinical trials with BASAGLAR were conducted: one in type 1 diabetes and one in type 2 diabetes. The type 1 diabetes population had the following characteristics: Mean age was 41 years and mean duration of diabetes w...

FDA label effective date: 2025-12-11

Disclaimer

AdverseEvent.ai is not affiliated with the FDA. Adverse-event counts come from the FDA Adverse Event Reporting System (FAERS). Drug labels come from the FDA drug label dataset. A report submitted to FAERS does not prove a drug caused the reported event — always consult a healthcare provider about medications. This site is for informational purposes only and is not medical advice.