Sixtin 2.5 Saxagliptin Phenobarbital
ModeratePhenobarbital can make saxagliptin work less well at lowering blood sugar. So if you take both, your sugar levels may not come down as much as expected.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.