Lantus is contraindicated during episodes of hypoglycemia and in patients hypersensitive to insulin glargine or one of its excipients.

Monitor blood glucose in all patients treated with insulin. Modify insulin regimen only under medical supervision. Changes in insulin regimen including, strength, manufacturer, type, injection site or method of administration may result in the need for a change in insulin dose or an adjustment in concomitant oral antidiabetic treatment.

Repeated insulin injections into areas of lipodystrophy or localized cutaneous amyloidosis may result in hyperglycemia; sudden change in the injection site (to unaffected area) has been reported to result in hypoglycemia. Advise patients to rotate injection site to unaffected areas and closely monitor for hypoglycemia.

Do not dilute or mix Lantus with any other insulin or solution. If mixed or diluted, the solution may become cloudy, and the onset of action/time to peak effect may be altered in an unpredictable manner. Do not administer Lantus via an insulin pump or intravenously because severe hypoglycemia can occur.

Hypoglycemia is the most common adverse reaction of insulin therapy, including Lantus, and may be life-threatening.

Medication errors, such as accidental mix-ups between basal insulin products and other insulins, particularly rapid-acting insulins, have been reported. Patients should be instructed to always verify the insulin label before each injection.

Severe life-threatening, generalized allergy, including anaphylaxis, can occur. Discontinue Lantus, treat and monitor until symptoms resolve.

A reduction in the Lantus dose may be required in patients with renal or hepatic impairment.

As with all insulins, Lantus use can lead to life-threatening hypokalemia. Untreated hypokalemia may cause respiratory paralysis, ventricular arrhythmia, and death. Closely monitor potassium levels in patients at risk of hypokalemia and treat if indicated.

Fluid retention, which may lead to or exacerbate heart failure, can occur with concomitant use of thiazolidinediones (TZDs) with insulin. These patients should be observed for signs and symptoms of heart failure. If heart failure occurs, dosage reduction or discontinuation of TZD must be considered.

Certain drugs may affect glucose metabolism, requiring insulin dose adjustment and close monitoring of blood glucose. The signs of hypoglycemia may be reduced in patients taking anti-adrenergic drugs (e.g., beta-blockers, clonidine, guanethidine, and reserpine).

Adverse reactions commonly associated with Lantus include hypoglycemia, allergic reactions, injection site reactions, lipodystrophy, pruritus, rash, edema and weight gain.

Lantus SoloSTAR is a disposable single-patient-use prefilled insulin pen. To help ensure an accurate dose each time, patients should follow all steps in the Instruction Leaflet accompanying the pen: otherwise they may not get the correct amount of insulin, which may affect their blood glucose.

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Insulins Valyou Savings Program: Sanofi insulins included in this program are: ADMELOG^® (insulin lispro injection) 100 Units/mL, TOUJEO^® (insulin glargine injection) 300 Units/mL, LANTUS^® (insulin glargine injection) 100 Units/mL and APIDRA^® (insulin glulisine injection) 100 Units/mL.

This offer is not valid for prescriptions covered by or submitted for reimbursement under Medicare, Medicaid, VA, DOD, TRICARE, similar federal or state programs, including any state pharmaceutical programs, or commercial / private insurance. Only people without prescription medication insurance can apply for this offer. Void where prohibited by law. For the duration of the program, eligible patients will pay $99 for up to 10 vials or packs of SoloStar pens per fill or up to 5 packs of Max SoloStar pens per fill. Offer valid for one fill per month. To pay $99 per month, you must fill all your Sanofi Insulin prescriptions at the same time, together each month. Not valid for SOLIQUA 100/33 (insulin glargine and lixisenatide) injection 100 Units/mL and 33 mcg/mL. When using the Insulins Valyou Savings Card, prices are guaranteed for 12 consecutive monthly fills. The Insulins Valyou Savings Program applies to the cost of medication. There are other relevant costs associated with overall treatment.

Sanofi Copay Program: This offer is not valid for prescriptions covered by or submitted for reimbursement under Medicare, Medicaid, VA, DOD, TRICARE, or similar federal or state programs including any state pharmaceutical assistance program. If you have an Affordable Care (Health Care Exchange) plan, you may still be qualified to receive and use this savings card. Please note: the Federal Employees Health Benefits (FEHB) Program is not a federal or state government health care program for purposes of the savings program. Void where prohibited by law.

• LANTUS or Insulin Glargine U-100 (Winthrop): pay as low as $0 up to $99 for a 30-day supply, depending on insurance coverage. Maximum savings apply. Valid up to 10 packs per fill; Offer valid for one fill per month per 30-day supply.

Savings may vary depending on patients' out-of-pocket costs. Upon registration, patients receive all program details. Sanofi US reserves the right to change the maximum cap amount, rescind, revoke or amend these programs without notice.

References:

1. Lantus^® Prescribing Information.

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