next they hit the road to play west virginia on the 10th. on the ice, the wild on the2 diabetes, you may know what it's like to deal with high... and low blood sugar. januvia (sitagliptin) is a once-daily pill that, along with diet and exercise, helps lower blood sugar. januvia works when your blood sugar is high and works less when your blood sugar is low, because it works by enhancing your body's own ability to lower blood sugar. plus januvia, by itself, is not likely to cause weight gain or low blood sugar (hypoglycemia). or diabetic ketoacidosis. tell your doctor if you have a history of pancreatitis. serious side effects can happen, including pancreatitis which may be severe and lead to death. stop taking januvia and call your doctor right away if you have severe pain in your stomach area which may be pancreatitis. tell your doctor right away and stop taking januvia if you have an allergic reaction that causes swelling of the face, lips, tongue, or throat, or affects your breathing or causes rash or hives. kidney problems sometimes requ