What is the brand name for Sitagliptin?
The brand name for Sitagliptin is Januvia.
PTCB TOP 200 · #123
Sitagliptin
Januvia
Sitagliptin is the generic name for the brand-name drug Januvia. It is a dpp-4 inhibitor used to treat type 2 diabetes. On the PTCE Top 200 drug list, Sitagliptin ranks #123 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 | Sitagliptin |
|---|---|
| Brand name(s) | Januvia |
| Drug class | DPP-4 inhibitor |
| Class group | Endocrine/Diabetes |
| Common use | type 2 diabetes |
| DEA schedule | Unscheduled |
| Availability | Prescription only (Rx) |
What is Sitagliptin used for?
Adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus (alone or with other antidiabetic agents).
What drug class is Sitagliptin?
Sitagliptin is a DPP-4 inhibitor 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 Sitagliptin
- arrow_rightNasopharyngitis
- arrow_rightHeadache
- arrow_rightUpper respiratory infection
- arrow_rightDiarrhea
- arrow_rightNausea
Major interactions
- arrow_rightInsulin or sulfonylureas → increased risk of hypoglycemia (may need dose reduction)
- arrow_rightDigoxin: may increase digoxin levels—monitor if used together
Is Sitagliptin a controlled substance?
No. Sitagliptin is not a federally controlled substance (it is unscheduled by the DEA).
How to remember Sitagliptin (PTCE mnemonic)
JAN-uvia JUMPstarts incretins — sita-GLIPTIN blocks DPP-4 (keeps GLP-1 from 'slipping' away). Weight-neutral, low hypo risk; pancreatitis, joint pain, renal adjust.
lightbulb
PTCE exam tip
The suffix -gliptin = a DPP-4 inhibitor. Like metformin, sitagliptin rarely causes lows on its own — and Januvia vs Janumet (adds metformin) is the combo-product angle.
Sitagliptin FAQ
What is Sitagliptin used for?
Sitagliptin is used to treat type 2 diabetes. Adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus (alone or with other antidiabetic agents).
What drug class is Sitagliptin?
Sitagliptin is a DPP-4 inhibitor (Endocrine/Diabetes group).
Is Sitagliptin a controlled substance?
No. Sitagliptin is not a federally controlled substance (it is unscheduled by the DEA).
Study guides that cover Sitagliptin
Free, in-depth guides to the patterns behind this drug — no app needed.
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
What changed on the 2026 PTCB examthe new domain weights for 2026
How hard is the PTCE?what the pass rate really meansSee all PTCE study guides or browse the full Top 200 drug list.
Drill Sitagliptin the way the PTCE asks it
RxReflex turns the Top 200 drugs into fast flashcard rounds, a guided Learn path, pharmacy math, and 40+ cheat sheets. Free to start.
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).