don't change your dose or type of insulin without talking to your doctor. tell your doctor if you take other medicines and about all your medical conditions. insulins, including toujeo®, in combination with tzds (thiazolidinediones) may cause serious side effects like 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. toujeo® helps me stay on track with my blood sugar. ask your doctor about toujeo®. arthel: a true legend dave hear tributes poured in rock 'n roll pioneer chuck berry who died at the age of 90. the creator of classics like johnny b. goode the greatest