Diabetes Home > Lantus Insulin Information

Available by prescription only, Lantus® (insulin glargine) is an injected drug that is used to treat type 1 or type 2 diabetes. As a long-acting insulin, Lantus works as a "basal" insulin, which means it provides a steady background level of insulin to help control blood sugar throughout the day. The medication is injected once a day, just under the skin. At this time, it is not available in generic form.
Before starting treatment with this long-acting insulin, drug information on Lantus should be fully reviewed with your healthcare provider. Most people tolerate it well, but side effects are possible. In clinical studies, some of the more commonly reported side effects included:
  • A skin reaction at the injection site
  • Low blood sugar levels (hypoglycemia)
  • Skin thickening or pitting at the injection site.
(For more information on this type of insulin, click Lantus. This article takes an in-depth look at who can use it, how to inject the drug safely, what to do if side effects occur, and more.)
Written by/reviewed by:
Last reviewed by: Arthur Schoenstadt, MD
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