the most common side effect is low blood sugar, which can be serious and 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 medicines you take and all your medical conditions. taking tzds with insulins, like toujeo®, may cause heart failure that can lead to death, even if you've never had heart failure before. don't dilute or mix toujeo® with other insulins or solutions as it may not work as intended and you may lose blood sugar control, which could be serious. find your rhythm and keep on grooving. ♪ let's groove tonight. ask your doctor about toujeo®. ♪share the spice of life. ♪♪ 13 minutes past the hour. it's really chilling confession. accused mass murderer dylann roof admitting he gun down a