Sitagliptin is a prescription medication used to improve blood sugar control in adults with type 2 diabetes. It belongs to a class of drugs called dipeptidyl peptidase-4 (dpp-4) inhibitors. The drug works by blocking the dpp-4 enzyme, which increases levels of incretin hormones that stimulate insulin release. By enhancing incretin activity, Sitagliptin helps lower postprandial glucose without causing hypoglycemia. It does not stimulate insulin secretion in the absence of elevated glucose levels. The overall therapeutic effect is better glycemic control as part of a comprehensive diabetes management program.

Sitagliptin is a dipeptidyl peptidase-4 inhibitor used to treat type 2 diabetes mellitus by enhancing the activity of incretin hormones. It works by blocking the enzyme that breaks down incretin peptides leading to increased levels of glp-1 and gip that stimulate insulin secretion. The medication interacts with pancreatic beta cells and intestinal cells to modulate glucose homeostasis. Through this inhibition it reduces postprandial blood glucose fluctuations. Sitagliptin also promotes modest weight neutrality without causing hypoglycemia when used alone. It is administered orally and has a long half life that supports once daily dosing. Clinical studies show improvements in glycemic control comparable to other agents.

The most common side effects are typically mild and short-lived. They often include fatigue headache dizziness nausea and mild stomach discomfort. Some individuals may experience temporary drowsiness or difficulty concentrating. These reactions usually resolve without intervention as the body adapts. Frequency varies by individual and formulation but remains consistent across studies. Awareness of these possibilities helps users recognize normal responses during treatment.

Fatigue is frequently reported after medical procedures. Headaches occur in many individuals. Nausea may be experienced by some people. Muscle aches are observed after certain treatments. Dizziness can appear shortly after exposure. Fever often develops as a short-term response. Chills may accompany the fever. Diarrhea is another commonly noted effect.