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Lantus Dosage

Generic name: INSULIN GLARGINE 100[iU] in 1mL
Dosage form: injection, solution
Drug class: Insulin

Medically reviewed by Drugs.com. Last updated on May 23, 2024.

Important Administration Instructions

  • Always check insulin labels before administration
  • Visually inspect LANTUS vials and SoloStar prefilled pens for particulate matter and discoloration prior to administration. Only use if the solution is clear and colorless with no visible particles.
  • Administer LANTUS subcutaneously into the abdominal area, thigh, or deltoid, and rotate injection sites within the same region from one injection to the next to reduce the risk of lipodystrophy and localized cutaneous amyloidosis. Do not inject into areas of lipodystrophy or localized cutaneous amyloidosis.
  • During changes to a patient's insulin regimen, increase the frequency of blood glucose monitoring.
  • Do not administer intravenously or via an insulin pump.
  • Do not dilute or mix LANTUS with any other insulin or solution.
  • The LANTUS SoloStar prefilled pen dials in 1-unit increments.

Use LANTUS SoloStar prefilled pen with caution in patients with visual impairment who may rely on audible clicks to dial their dose.

General Dosing Instructions

  • Administer LANTUS subcutaneously once daily at any time of day but at the same time every day.
  • Individualize and adjust the dosage of LANTUS based on the patient's metabolic needs, blood glucose monitoring results and glycemic control goal.
  • Dosage adjustments may be needed with changes in physical activity, changes in meal patterns (i.e., macronutrient content or timing of food intake), during acute illness, or changes in renal or hepatic function. Dosage adjustments should only be made under medical supervision with appropriate glucose monitoring.
  • In patients with type 1 diabetes, LANTUS must be used concomitantly with short-acting insulin.

Initiation of LANTUS Therapy

Recommended Starting Dosage in Patients with Type 1 Diabetes

The recommended starting dosage of LANTUS in patients with type 1 diabetes is approximately one-third of the total daily insulin requirements. Use short-acting, premeal insulin to satisfy the remainder of the daily insulin requirements.

Recommended Starting Dosage in Patients with Type 2 Diabetes

The recommended starting dosage of LANTUS in patients with type 2 diabetes who are not currently treated with insulin is 0.2 units/kg or up to 10 units once daily.

Switching to LANTUS from Other Insulin Therapies

Dosage adjustments are recommended to lower the risk of hypoglycemia when switching patients to LANTUS from other insulin therapies.

When switching from:

  • Once-daily TOUJEO (insulin glargine 300 units/mL) to once-daily LANTUS (100 units/mL), the recommended starting LANTUS dosage is 80% of the TOUJEO dosage that is being discontinued.
  • Once-daily NPH insulin to once-daily LANTUS, the recommended starting LANTUS dosage is the same as the dosage of NPH that is being discontinued.
  • Twice-daily NPH insulin to once-daily LANTUS, the recommended starting LANTUS dosage is 80% of the total NPH dosage that is being discontinued.

Frequently asked questions

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.