Prescription Drug Coverage

Lantus Solostar (Insulin Glargine) Medicare Coverage

You may be able to find Medicare plan options in your area that cover Lantus Solostar (insulin glargine). Learn more about Lantus Solostar and find Medicare Advantage plans in your area that cover other prescription drugs.
Lantus Solostar
Chemical name: Insulin Glargine

Brand name: Lantus Solostar

Typical dosage: 3ml of 100 units/ml

Typical type: Injector pen1

Lantus Solostar is a medication used to treat type 1 and type 2 diabetes. Lantus Solostar is a brand name only and comes as an injection pen.

Lantus Solostar is used to improve control of blood sugar in people with type 1 and type 2 diabetes. Lantus Solostar contains the active ingredient insulin glargine.

This medication is given as injection under the skin. Common side effects with Lantus Solostar include irritation where the shot is given, diarrhea, headache, weight gain, nose or throat irritation and joint pain.

Does Medicare cover Lantus Solostar?

Yes! 74% of Medicare Advantage plans and Medicare Part D plans cover Lantus Solostar.1

Find a $0 premium Medicare Advantage plan today.

Speak with a licensed insurance agent


  • Medicare Advantage plans that offer prescription drug coverage are called Medicare Advantage Prescription Drug Plans (MA-PD). Most Medicare Advantage beneficiaries (88 percent) are enrolled in MA-PDs.2

  • Medicare prescription drugs plans each have their own formulary, or drug list, that details what prescription drugs are covered by the plan and how they are covered.

Drug coverage may vary based on plan availability. You may be able to find Medicare Advantage plan options in your area that cover Lantus Solostar.

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Or call TTY Users: 711 24/7 to speak with a licensed insurance agent.


You can also compare Part D prescription drug plans available where you live and enroll in a Medicare prescription drug plan online when you visit

Average costs for Lantus Solostar with Medicare drug coverage1

Your copay and deductible costs for any prescription drug can vary depending on what coverage stage you’re in.

Deductible stage Typical copay stage
Your deductible is the amount of money you must spend on covered drugs before your Medicare drug coverage starts paying its share of costs.

In the deductible stage, you’re responsible for the full cost of your prescription drugs.

Some Medicare prescription drug plans have a $0 deductible. Medicare drug plans cannot have a deductible more than $480 in 2022.
After you meet your Part D deductible, you enter the initial coverage period.

During this phase (the typical copay stage), you pay a copayment (flat fee) or coinsurance (percentage) for your covered medications.
$42– $484 $25 – $484

Additional information

Lantus Solostar is given as an injection. This should be given as a shot into the fatty part of the skin on the top of the thigh, belly area or upper arm. Move the site where you give the shot each time.

Do not give the shot into any skin that is cut, bruised, red, scarred or irritated. Wash your hands before and after use.

Throw away needles after each dose. Do not reuse needles. Sharps containers are usually available at most pharmacies. You can also use a hard plastic container with a lid, such as a laundry soap container.

Lantus Solostar is an insulin medication that can cause your blood sugars to become too low. You’ll know if your blood sugar levels are too low if it reaches less than 70mg/dL or if you experience symptoms of shakiness, hunger, sweating, fatigue, rapid heart rate and confusion.

If your blood sugar is low, eat or drink 15g of carbohydrates and recheck your blood sugar after 15 minutes. If you experience low blood sugars often, tell your doctor.



This article is for informational purposes only. It is not healthcare advice, treatment, or diagnosis. It is not an endorsement of or recommendation for this medication. Speak to your doctor or healthcare provider about your specific healthcare needs, including your prescription medications. Only take medication as directed by your doctor.

Coverage and costs of prescription medications will vary by Medicare plan. Not all plans are available in all areas.


Written by Hayden Gharibyar, Pharm.D.