What is the brand name for Insulin Glargine?
The brand name for Insulin Glargine is Lantus.
PTCB TOP 200 · #30
Insulin Glargine
Lantus
Insulin Glargine is the generic name for the brand-name drug Lantus. It is an insulin used to treat diabetes (long-acting basal). On the PTCE Top 200 drug list, Insulin Glargine ranks #30 and is one of the most frequently tested endocrine/diabetes medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.
| Generic name | Insulin Glargine |
|---|---|
| Brand name(s) | Lantus |
| Drug class | Insulin |
| Class group | Endocrine/Diabetes |
| Common use | diabetes (long-acting basal) |
| DEA schedule | Unscheduled |
| Availability | Prescription only (Rx) |
What is Insulin Glargine used for?
Long‑acting basal insulin used to improve glycemic control in diabetes mellitus (type 1 and type 2; indication varies by product).
What drug class is Insulin Glargine?
Insulin Glargine is an Insulin in the Endocrine/Diabetes group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.
Common side effects of Insulin Glargine
- arrow_rightHypoglycemia
- arrow_rightWeight gain
- arrow_rightInjection‑site reactions
- arrow_rightEdema
- arrow_rightUpper respiratory symptoms
Major interactions
- arrow_rightOther glucose‑lowering drugs (sulfonylureas, GLP‑1 RAs) may increase hypoglycemia risk
- arrow_rightBeta‑blockers can mask hypoglycemia symptoms
- arrow_rightSteroids/thiazides can raise glucose and increase insulin needs
Is Insulin Glargine a controlled substance?
No. Insulin Glargine is not a federally controlled substance (it is unscheduled by the DEA).
How to remember Insulin Glargine (PTCE mnemonic)
LANTus = long-lasting 'LANT-ern' — glargine is basal insulin, ~24hr, no peak. NEVER mix in syringe; bedtime dose; watch nocturnal lows.
lightbulb
PTCE exam tip
Glargine (Lantus) is a long-acting 'basal' insulin — once daily, no peak. Never mix it in a syringe with other insulins; refrigerate spare pens/vials.
Insulin Glargine FAQ
What is Insulin Glargine used for?
Insulin Glargine is used to treat diabetes (long-acting basal). Long‑acting basal insulin used to improve glycemic control in diabetes mellitus (type 1 and type 2; indication varies by product).
What drug class is Insulin Glargine?
Insulin Glargine is an Insulin (Endocrine/Diabetes group).
Is Insulin Glargine a controlled substance?
No. Insulin Glargine is not a federally controlled substance (it is unscheduled by the DEA).
Study guides that cover Insulin Glargine
Free, in-depth guides to the patterns behind this drug — no app needed.
High-alert medications listthe meds where an error does the most harm
Drug suffix cheat sheetthe suffix that gives away this drug's class
How to memorize the Top 200 drugsa method for locking in brand↔generic pairs
How to read a prescriptionevery field on a prescription, decodedSee all PTCE study guides or browse the full Top 200 drug list.
Drill Insulin Glargine the way the PTCE asks it
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Related drugs in the Endocrine/Diabetes group
Written and reviewed by the RxReflex Content Team. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).