About
Sitagliptin is a dipeptidyl peptidase-4 (DPP-4) inhibitor that enhances the body's natural ability to lower high blood glucose levels. It works by increasing the levels of incretin hormones, which stimulate insulin release and decrease glucagon secretion in a glucose-dependent manner. Metformin is a biguanide that primarily reduces hepatic glucose production, decreases intestinal glucose absorption, and improves insulin sensitivity by increasing peripheral glucose uptake and utilization. This combination medication is prescribed for adults with type 2 diabetes mellitus to improve glycemic control when diet and exercise alone are insufficient. It offers a dual mechanism of action, targeting different pathways involved in glucose regulation, thereby providing comprehensive management of blood sugar levels. The synergistic effect helps achieve better glycemic targets and reduces the risk of diabetes-related complications.
Uses
- Management of type 2 diabetes mellitus.
- Improvement of glycemic control in adults.
- Used as an adjunct to diet and exercise.
- When monotherapy with metformin or sitagliptin is inadequate.
Directions For Use
Take this medication orally, usually once or twice daily with meals, as directed by your doctor. Swallow the tablet whole with water.
Benefits
- Effective blood sugar control.
- Reduces HbA1c levels significantly.
- Low risk of hypoglycemia when used alone.
- May contribute to modest weight loss (Metformin).
- Improves insulin sensitivity.
- Convenient fixed-dose combination.
Side Effects
- Nausea
- Diarrhea
- Abdominal pain
- Headache
- Upper respiratory tract infection
- Sore throat
- Nasal congestion
- Joint pain
- Pancreatitis (rare but serious)
- Lactic acidosis (rare but serious, Metformin)
- Vitamin B12 deficiency (Metformin)
- Allergic reactions (rash, hives)
Safety Measures
- Alcohol - Avoid excessive alcohol consumption as it can increase the risk of lactic acidosis, a rare but serious side effect of metformin, and may also affect blood sugar levels.
- Pregnancy - Generally not recommended during pregnancy. Consult your doctor; benefits must outweigh potential risks. Insulin is often preferred for glycemic control in pregnant women with diabetes.
- Breastfeeding - Metformin is excreted in breast milk in small amounts, while sitagliptin's excretion is unknown. Use with caution and under medical supervision; potential risks to the infant should be considered.
- Liver - Use with caution in patients with liver impairment. Metformin is contraindicated in severe hepatic dysfunction due to increased risk of lactic acidosis. Sitagliptin may require dose adjustment in moderate to severe impairment.
- Kidney - Contraindicated in severe renal impairment (eGFR <30 mL/min/1.73m²) due to metformin accumulation and increased risk of lactic acidosis. Sitagliptin dose adjustment is required for moderate to severe renal dysfunction.
- Lung - No specific contraindications related to lung conditions, but patients with acute or chronic metabolic acidosis, including diabetic ketoacidosis, should not use this medication.
Disclaimer
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