PTCE 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 nameSitagliptin
Brand name(s)Januvia
Drug classDPP-4 inhibitor
Class groupEndocrine/Diabetes
Common usetype 2 diabetes
DEA scheduleUnscheduled
AvailabilityPrescription 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

Major interactions

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.
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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 the brand name for Sitagliptin?

The brand name for Sitagliptin is Januvia.

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).

Related drugs in the Endocrine/Diabetes group

Drill Sitagliptin the way the PTCE asks it

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Last reviewed June 25, 2026. 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).