Description
Description
Duvel Plus (50/1000mg) is a prescription combination medicine used in the management of type 2 diabetes mellitus in adults. Each tablet brings together sitagliptin and a higher strength of metformin into a single dose, making it suitable for patients who require more intensive blood sugar control than the lower-strength formulation provides. It is typically prescribed when a patient’s current metformin dose needs to be paired with sitagliptin to achieve better glycemic control, or when a doctor is stepping up therapy from the 50/500mg strength as part of a broader diabetes management plan. This pack contains 14 tablets, offering a short-term supply for beginning or continuing a prescribed treatment course.
Ingredients
Each Duvel Plus 50/1000mg tablet contains sitagliptin 50 mg together with metformin hydrochloride 1000 mg. Sitagliptin belongs to a class of medicines known as DPP-4 inhibitors, working by increasing the levels of incretin hormones in the body, which enhances insulin release after meals and reduces the amount of sugar produced by the liver. Metformin belongs to the biguanide class and works by decreasing hepatic glucose production, reducing glucose absorption in the intestines, and improving the body’s sensitivity to insulin. The higher metformin content in this strength allows for a more substantial reduction in liver glucose production compared with the 50/500mg version, while the sitagliptin component remains unchanged.
Dosage Form
Duvel Plus is manufactured as an oral tablet, intended to be swallowed whole with water. It should not be crushed, chewed, or split, since altering the tablet may affect how the medicine is absorbed and could reduce its effectiveness.
Uses
Duvel Plus 50/1000mg is used to improve blood sugar control in adults with type 2 diabetes as an adjunct to a healthy diet and regular exercise, particularly in patients who need a stronger metformin dose alongside sitagliptin. By helping to lower blood sugar levels, it supports the prevention of long-term complications linked to hyperglycemia, including diabetic foot problems, kidney disease, heart disease, and increased susceptibility to infection. This strength is often used in patients transitioning from a lower dose or those already taking a higher daily amount of metformin who need sitagliptin added to their regimen. It is not intended for use in type 1 diabetes or for treating diabetic ketoacidosis.
How to Use
Duvel Plus 50/1000mg should be taken exactly as prescribed, typically once or twice daily depending on the patient’s current metformin dose, kidney function, and overall response to treatment. It is generally recommended to take the tablet with meals, which helps reduce the likelihood of gastrointestinal side effects such as nausea and stomach upset. The tablet should be swallowed whole and not sucked or chewed. If a dose is missed, it should be taken as soon as remembered, unless it is close to the time of the next scheduled dose, in which case the missed dose should be skipped rather than doubled. Patients should continue taking Duvel Plus as prescribed even if blood sugar levels improve, and should not stop or change the dose without consulting their doctor.
Side Effects
Side effects of Duvel Plus 50/1000mg are generally similar to those of the lower-strength formulation, though gastrointestinal effects may be slightly more noticeable due to the higher metformin content. Commonly reported effects include nausea, stomach upset, and mild digestive discomfort, particularly when treatment is first started or after a dose increase. Some patients may also experience headache or a metallic taste in the mouth. Less commonly, more serious effects such as signs of lactic acidosis, including rapid heartbeat, dizziness, and severe gastrointestinal distress, or signs of pancreatitis can occur, and these require immediate medical attention. Because Duvel Plus contains metformin, patients with impaired kidney function should use it with caution. Alcohol is best avoided while taking this medicine, as it can increase the risk of lactic acidosis.
Pregnancy & Breastfeeding
Duvel Plus is generally not recommended during pregnancy, as its safety in pregnant women has not been firmly established, and insulin is usually the preferred option for managing blood sugar during this time. It is also advisable to avoid this medicine while breastfeeding unless a doctor has specifically approved its use, since it is not fully known how the ingredients transfer into breast milk. Women who are pregnant, planning to become pregnant, or breastfeeding should discuss their diabetes management options with their doctor before starting or continuing this medication.
Storage Instructions
Duvel Plus tablets should be stored at room temperature, away from direct sunlight, heat, and moisture. They should be kept in their original packaging until ready for use and stored safely out of the reach of children. The tablets should not be used after their printed expiry date has passed.
FAQs
Is a prescription required to buy Duvel Plus 50/1000mg? Yes, Duvel Plus is a prescription-only medicine and should not be started, stopped, or adjusted without a doctor’s guidance. How is the 50/1000mg strength different from the 50/500mg version? The sitagliptin dose remains the same, but the metformin content is doubled, making this strength suitable for patients who need a higher total metformin dose. Can Duvel Plus be stopped once blood sugar levels improve? No, it should be continued exactly as prescribed, since stopping or altering the dose without medical advice can cause blood sugar levels to rise again. What should be done if a dose is missed? Take it as soon as it is remembered, unless it is close to the time of the next dose, in which case the missed dose should simply be skipped.
Disclaimer
Always use this medicine strictly according to your doctor’s instructions and prescribed dosage.






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