Lantus 100IUml Solution for Injection is a longacting insulin used to treat diabetes mellitus in adults and children It provides a steady level of insulin for a whole day to control blood sugar levels and prevent complications It can be prescribed alone or with other diabetes medicines Your doctor or nurse will teach you how to inject it properly It is important to use this medicine regularly as directed to obtain maximum benefits Stopping the medication may lead to high blood sugar levels and serious complications It should be used as part of a treatment program that includes a healthy diet regular exercise and weight reduction Avoid using this medicine when experiencing low blood sugar levels