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Lantus Solostar is an insulin injection pen manufactured by Sanofi pharmaceuticals to control type 1 and type 2 diabetes. It is prefilled with insulin and allows you to set the size of your dose which is only needed once every 24 hours. The normal Lantus Solostar pen price can be quite high at around $400 for f ... Read more

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Lantus Solostar Information:

What is Lantus Solostar?

Lantus is the brand-name for insulin glargine that is marketed by the Sanofi pharmaceutical company. Lantus Solostar is a special injection pen also made by Sanofi to make it easier for you to administer your medication. Contrary to popular belief, the Lantus Solostar pen cost can actually be lower than the price of regular vials depending on your insurance copay or discount plan. In many cases, the two products are the same price, and Lantus Solostar pens can hold up to 500 units more insulin glargine than a supply of regular vials. Insulin glargine is a long-acting insulin analog that helps to control insulin levels throughout the day. It is said that a dose of Lantus never peaks as it slowly releases steady doses of insulin over a 24-hour period. It works in patients with type 1 and type 2 diabetes by helping move sugar from the blood stream to other cells where it can be converted to energy. It also stops the liver from producing more glucose.

How do I take Lantus Solostar?

First, review your options between copays, Lantus Solostar coupons, and discount cards to see how you can take advantage of Lantus savings to get the best price. Then purchase Lantus Solostar pens in a pharmacy where you can use your discounts. Lantus Solostar should be used at the same time every day at a time that you choose.  Follow instructions given to you by your doctor or pharmacist carefully to inject this medication.  This medication should be only be injected under the skin and not into a vein. Set your dosage using the dial at the end of the pen and inject Lantus into the upper arm, buttocks, abdomen, or thighs.  Rotate injection sites within the same area that you choose. Check your blood sugar regularly to make sure the insulin is properly regulating your levels. Carry candy or glucose tablets with you in case of emergencies. Lantus Solostar should be used along with a diet and exercise regimen that is recommended by your doctor or nutritionist.

Before taking Lantus Solostar, tell your doctor if:

  • You have a history of kidney or liver disease.
  • You are hypoglycemic or have had episodes of hypoglycemia.
  • You are allergic to insulin or any of the other ingredients in Lantus Solostar.
  • You are pregnant or breast-feeding.

What are the possible side effects of taking Lantus Solostar?

There are not many known side effects from using insulin glargine or Lantus. The main side effect is possible hypoglycemia. Monitor your blood sugar levels carefully. Severe hypoglycemia can be fatal. Signs of hypoglycemia include shaking, hunger, headache, weakness, sweating, rapid heartbeat, fainting and even seizures. Another possible side effect includes irritation at the site of injection. Tell your doctor if you experience itching, swelling, redness, or thickening skin in these areas. Other side effects include weight gain and edema.

What if I forget to take a dose of Lantus Solostar?

It is very important that you NOT miss a dose with your Lantus Solostar pen. If you do miss a dose, take the missed dose as soon as your remember. Your healthcare provider should give you a plan of action in case you miss a dose of insulin. If you did not receive this advice, contact your doctor or pharmacist to get more information. Do not take a double dose of Lantus to make up for a missed one.

How do I store Lantus Solostar?

Store unopened Lantus Solostar devices in the refrigerator. Once a cartridge has been opened, it can remain at room temperature for 28 days, and then must be thrown out if not used. Bring Lantus Solostar pens down to room temperature before injecting the medication. When keeping a Solostar pen at room temperature, keep the medication below 86 degrees Fahrenheit and keep it away from light. Do not allow Lantus to freeze. Frozen medication must be thrown out. Discard any expired medication. Talk to your pharmacist about the proper disposal of used Lantus Solostar pens.

What happens if I overdose on Lantus Solostar?

An overdose of insulin glargine may result in hypoglycemia that can be severe and prolonged. Signs of overdose include those of hypoglycemia: headache, shaking, weakness, rapid heartbeat, sweating, and possibly fainting or seizures. If you think you have overdosed on insulin glargine, contact your doctor immediately. If the patient is unconscious, having seizures, or not breathing, contact 911 emergency services.


Monitor your blood sugar levels regularly. Know the signs of hypoglycemia and hyperglycemia and how to take action accordingly. Carry hard candy or glucose tablets with you in case of emergency.

Brand Names

Lantus Solostar is a brand name for these pens containing insulin glargine. There are no other brand names for long-acting insulin glargine pens at this time, and there are no generics available. Search our site for Lantus Solostar coupons and get up to 90% off the cost of your diabetes medication. Present our free coupons or discount cards in most pharmacies to get a discount on the Lantus Solostar pen cost and start saving money each time you refill your prescription.

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About Our Savings: is a discount pharmacy service, partnered with a leading pharmacy benefit manager. We negotiate lower prices on prescription medications, that we pass on to our members for free. There is no cost to use our cards and coupon, and anyone can take advantage of our discounts, regardless of healthcare coverage.

Our savings assurance of “up to 75% off” comes from historical data from actual claims. This data includes savings for both brand name and generic medications.