LEVEMIR is an insulin that is used to treat people with Type 1 and 2 diabetes. It is used for the control of high blood sugar. Most times it's used once or twice a day. LEVEMIR when injected will give your body the insulin it needs to function properly throughout the day. it keeps your blood sugars level between meals and while you are sleeping so that you do not have falls and spikes. Do not use without being prescribed by your doctor. Make sure you monitor your blood sugar daily.