don't reuse needles. the most common side effect is low blood sugar, which may cause dizziness, sweating, confusion and headache. check your blood sugar. low blood sugar can be serious and may be life-threatening. injection site reactions may occur. tell your prescriber about all medicines you take and all your medical conditions. taking tzds with insulins like tresiba® may cause serious side effects like heart failure. your insulin dose shouldn't be changed without asking your prescriber. get medical help right away if you have trouble breathing, fast heartbeat, extreme drowsiness, swelling of your face, tongue or throat, dizziness or confusion. ask your health care provider if you're tresiba® ready. covered by most insurance and medicare plans. ♪ tresiba® ready ♪ abby: welcome back to "fox & friends" this sunday and all eyes are turning to the nfl today as more national anthem protests are expected to tom game time. >> tensions between the nflen fans and even the president as players keep taking a knee. pete: griff jenkins joins us in