Istacare 100mg Tablet contains Sitagliptin, a dipeptidyl peptidase-4 (DPP-4) inhibitor used primarily in the management of type 2 diabetes mellitus. Sitagliptin works by enhancing the levels of incretin hormones, which increase insulin synthesis and release from pancreatic beta cells in a glucose-dependent manner, while simultaneously decreasing glucagon secretion from pancreatic alpha cells. This dual action helps to regulate blood glucose levels effectively, particularly postprandial glucose excursions. Istacare is indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes, either as monotherapy or in combination with other antidiabetic agents such as metformin, sulfonylureas, or insulin. The recommended dose is 100 mg once daily, with or without food. It is important to monitor renal function before and during treatment, as dose adjustments may be necessary in patients with renal impairment. Sitagliptin is generally well tolerated; common adverse effects include nasopharyngitis, headache, and upper respiratory tract infections. Serious adverse reactions are rare but may include pancreatitis and hypersensitivity reactions. Istacare should be used cautiously in patients with a history of pancreatitis and under medical supervision to optimize diabetes management and minimize potential risks.

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