Metformin + Teneligliptin

Yes, Metformin + Teneligliptin can cause low blood sugar (hypoglycemia). However, this can also occur if you delay or miss a meal, drink alcohol, exercise more than usual, can't eat due to stomach upset, and taking other antidiabetic medicine with metformin. So, regular monitoring of blood glucose level is needed and be cautious of symptoms of hypoglycemia, always keep glucose-rich food with you. 

Metformin + Teneligliptin can be taken forever, diabetes is a progressive disease it's possible that more medication and/or insulin may eventually need to be added to the regime. 

Metformin + Teneligliptin works by decreasing the hepatic glucose production. It also works to lower blood sugar by increasing your sensitivity to insulin and decreasing the amount of glucose that is absorbed from the food you eat.

Yes, you can take Metformin + Teneligliptin with a beta-blocker. People with diabetes tend to develop heart disease or stroke at an earlier age than the general population. One reason for this is that high glucose levels increase your risk of high blood pressure (hypertension). No harmful interactions are seen between them. However, a recent study suggests that beta-blockers can decrease the plasma level of Metformin + Teneligliptin and long-term use can increase lactic acid and uric acid in the blood.

Yes, you can take Metformin + Teneligliptin with gliclazide, no harmful interactions have been reported between them. However, it is not necessary that no interaction can happen between these two. But before taking such kind of combination you must consult your doctor.