♪ share the spice of life from the makers of lantus®, toujeo® provides blood sugar-lowering activity ♪ baby slice it right. all day, all night, and beyond, proven blood sugar control all day and all night, and significantly lower your a1c. toujeo® is used to control high blood sugar in adults with diabetes. it contains 3 times as much insulin in 1 milliliter as standard insulin. don't use toujeo® to treat diabetic ketoacidosis, during episodes of low blood sugar, or if you're allergic to insulin. get medical help right away if you have a serious allergic reaction such as body rash, or trouble breathing. don't reuse needles, or share insulin pens. the most common side effect is low blood sugar, which can be life-threatening. it may cause shaking, sweating, fast heartbeat, and blurred vision. check your blood sugar levels daily. injection site reactions may occur. don't change your dose of insulin without talking to your doctor. tell your doctor about all your medicines and medical conditions. check insulin label each time you inject. taking tzds with insulins like toujeo® may cause heart failure