Product image of Januvia (Sitagliptin) supplied by GNH India

Januvia

Active Ingredient:
Sitagliptin
Origin:
EU

Januvia (Sitagliptin)

Sitagliptin, the active ingredient in Januvia, is a DPP-4 inhibitor presented as a tablet for oral use. It treats type 2 diabetes mellitus in adult patients by improving glycemic control.
GNH India supplies Januvia as a licensed, GDP-compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Merck Sharp & Dohme B.V.

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Indications & Clinical Uses

Januvia is a DPP‑4 inhibitor used in the management of type 2 diabetes mellitus.

  • Type 2 diabetes mellitus: lowers blood glucose levels and helps achieve target HbA1c.
  • Combination therapy with metformin: provides additional reduction in HbA1c when used together.
  • In patients inadequately controlled on diet and exercise alone: assists in reaching glycemic goals.

How It Works

  • Sitagliptin selectively inhibits the enzyme dipeptidyl peptidase‑4 (DPP‑4), which results in increased levels of the endogenous incretin hormones GLP‑1 and GIP. Elevated incretins enhance glucose‑dependent insulin secretion from pancreatic β‑cells and suppress glucagon release from α‑cells, thereby improving overall glycemic control.

Side Effects

Common side effects are generally mild and transient.

Common Side Effects

  • Nasopharyngitis: mild inflammation of the nose and throat.
  • Headache: transient head pain.
  • Upper respiratory tract infection: mild cough or congestion.
  • Gastrointestinal discomfort: nausea or abdominal pain.

Serious or Rare Side Effects

  • Pancreatitis: severe abdominal pain that may indicate pancreatic inflammation.
  • Severe allergic reaction: rash, swelling, or anaphylaxis.
  • Joint pain: unexplained arthralgia that may require medical evaluation.

Precautions & Warnings

Before initiating therapy, several safety considerations should be reviewed.

  • Renal function monitoring: adjust use in patients with impaired kidney function.
  • Pancreatitis vigilance: educate patients to report persistent severe abdominal pain.
  • Hypersensitivity assessment: discontinue if signs of allergic reaction appear.
  • Elderly caution: start at lower doses and monitor for adverse events.
  • Store at room temperature: keep in the original pack, protect from moisture.

Avoid Interactions

Sitagliptin may interact with other medicines, requiring attention to avoid reduced efficacy or increased toxicity.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors: may increase sitagliptin exposure.
  • Strong CYP3A4 inducers: may reduce sitagliptin effectiveness.

Moderate Interactions (Monitor Closely)

  • Insulin: combined use can increase risk of hypoglycemia.
  • Sulfonylureas: may potentiate hypoglycemic episodes.
  • Diuretics: can affect blood glucose control and require monitoring.

Frequently Asked Questions

Januvia is prescribed to improve blood sugar control in adults with type 2 diabetes mellitus. It is used as monotherapy or in combination with other antidiabetic agents when diet and exercise alone are insufficient to achieve glycemic targets.

Sitagliptin blocks the enzyme dipeptidyl peptidase‑4 (DPP‑4), which raises levels of the incretin hormones GLP‑1 and GIP. These hormones increase insulin release and decrease glucagon secretion in a glucose‑dependent manner, helping to lower blood glucose.

The exact dose of Januvia is determined by the prescribing healthcare professional based on individual patient factors such as renal function, concomitant medications, and glycemic response. Patients should follow the prescriber’s instructions and not adjust the dose on their own.

Safety of sitagliptin during pregnancy and lactation has not been established. It should only be used if the potential benefit justifies the potential risk to the fetus or infant, and this decision must be made by a qualified healthcare provider.

To order Januvia, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any necessary import documentation.

Compared with metformin, Januvia has a neutral effect on weight and a lower risk of gastrointestinal upset, but it is generally less potent as a first‑line agent. Compared with GLP‑1 receptor agonists, it is oral rather than injectable and has a different safety profile, lacking the nausea commonly seen with GLP‑1 agents.

Januvia tablets should be stored at room temperature, below 25 °C, in their original packaging to protect them from moisture and light. Keep the container tightly closed and out of reach of children.

Januvia is taken orally as a tablet, usually once daily. It can be swallowed with or without food, but patients should follow the specific instructions provided by their prescriber to maintain consistent dosing.

Patients should be alert for signs of pancreatitis such as severe, persistent abdominal pain, for severe allergic reactions including rash, swelling or difficulty breathing, and for unexplained joint pain. Any of these symptoms require immediate medical evaluation.

Januvia is contraindicated in individuals with a known hypersensitivity to sitagliptin or any of its excipients. It should also be avoided in patients with severe renal impairment unless dose adjustments are made, and in those with a history of pancreatitis until cleared by a physician.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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