Falling under the insulin class of drugs, Lantus treats type II and type I diabetes mellitus as well as high blood sugar levels. Lantus contains microcrystals that release insulin, which supplement the body's natural insulin production and help to deal with hyperglycemia. This drug is part of a complete treatment alongside diet and exercise. The dosage forms of Lantus are injections and solutions, all of which are administered subcutaneously on a daily basis. Our Lantus discount will help you save a great deal of money on your daily prescriptions. Take a look at our Lantus coupons to get the best possible value on this expensive prescription.