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Cold-Chain Shipping Notice

This medication requires specialized cold-chain packaging to help maintain its quality and integrity during transit. Each shipment includes a temperature indicator to monitor storage conditions throughout the shipping process.

Do NOT use this medication if the attached temperature indicator shows that it was exposed to temperatures below 2°C (36°F) or above 8°C (46°F). If the temperature indicator shows that the acceptable temperature range has been exceeded, or if you have any concerns about the condition of your shipment upon arrival, do not use the medication and contact our pharmacy immediately for further instructions and assistance.

Please inspect your shipment and the temperature indicator as soon as it is delivered.

What are Lantus cartridges?

Lantus 100 units/ml cartridges (Lantus) contain insulin glargine, a long-acting insulin solution used for once-daily subcutaneous injections. It is a medication prescribed to treat type 1 and type 2 diabetes in adults, and type 1 diabetes in children 6 years and older.

Lantus belongs to the antidiabetic class of long-acting insulins (basal-insulin analogs). These medications work by lowering and controlling your glucose levels in the long term.

Lantus is not recommended:

  • If you are allergic or have had an allergic reaction to Lantus or ingredients in Lantus
  • For children who suffer from type 2 diabetes
  • For children under the age of 6
  • To treat diabetic ketoacidosis
  • During episodes of low blood sugar

What are the indications for using Lantus cartridges?

Lantus is a long-acting insulin that works evenly over 24 hours and is approved to lower blood sugar levels in adults with type 1 and type 2 diabetes and children with type 1 diabetes who are 6 years and older.

How are Lantus cartridges used?

Storage

Unopened Lantus cartridges should be stored in their original packaging in a refrigerator at 36-46°F (2-8°C). Do not freeze Lantus and do not use it if it has been frozen.

When you have inserted a cartridge into an injection pen, store it at room temperature up to 86°F (30°C) and throw it away after 28 days. Do not expose Lantus to direct heat and keep it away from light.

Keep out of reach of children and do not use it after the expiration date.

Instruction

Lantus cartridges are designed for use with an insulin pen. Use the Lantus cartridges as prescribed and follow the instructions given by your healthcare provider. Your healthcare provider will determine the appropriate dose and schedule based on your individual needs and medical history.

Do not change your dosage and take more than what is prescribed, or stop using Lantus without consulting your doctor. Lantus can be used at any time of the day, but must be used at the same time each day.

If you miss a dose, take it as soon as you remember, but if it’s almost time for your next dose, skip the dose and take your next dose at the regular time. Do not catch up by taking two doses at once. If you took more than prescribed, contact your doctor immediately or seek emergency medical care. If you take more than one dose of Lantus within 24 hours, it can cause your blood sugar to drop too low.

Your healthcare provider will teach you how to use Lantus cartridges properly and where to inject yourself. Ask your healthcare provider if you don’t understand the instructions. Use an insulin pen to inject Lantus under the skin of your stomach area, thigh, or the back of your upper arm. Use a different site each time you inject and do not inject it directly into your veins or muscles, or an area that has lumps or bruising.

Only use Lantus cartridges that are clear and colorless. If it is cloudy or slightly colored, return it to your pharmacy. Do not mix the content of Lantus cartridges with any other type of insulin.

Do not share your Lantus cartridges with anyone, even if the needle has been changed, because you can transmit blood-borne diseases to each other.

Dosage

Lantus cartridges are available in packs of 5 and each cartridge contains 300 units in 3 ml of solution (300 Units/3 mL).

The recommended starting dose of Lantus for type 1 diabetes is approximately one-third of your total daily insulin requirements, administered once daily. Lantus is prescribed to be used with short-acting insulin.

The typical starting dose in type 2 diabetes is 0.2 units/kg, not exceeding 10 units initially, and increased based on fasting blood glucose levels.

Side Effects

It’s important to understand that although Lantus cartridges are FDA-approved, it comes with side effects that may or may not affect you.

Before using Lantus cartridges, you should discuss possible side effects with your doctor or pharmacist.

Common Side Effects

Not all side effects require medical attention. As your body adjusts to Lantus, side effects may go away. Tell your doctor if you experience the following symptoms, and they become severe or do not go away on their own:

  • Low blood sugar
  • Skin reaction at the injection site
  • Swelling
  • Itching
  • Allergic reactions
  • Skin thickening/pits at the injection site
  • Weight gain
  • Rash
  • Upper respiratory tract infections

Serious Side Effects

Severe adverse reactions while using Lantus cartridges may occur. Seek emergency medical care or call 911 if you experience any of the following symptoms:

  • Hypoglycemia (severe low blood sugar): confusion, seizures, blurred vision, loss of consciousness, or even coma.
  • Severe allergic reaction: a rash over your whole body, sweating, swelling of your face, tongue, or throat, difficulty breathing, or itching.
  • Low potassium in your blood: leg cramps, constipation, irregular heartbeat, fluttering in the chest, increased thirst/urination, numbness/tingling, muscle cramps/weakness, or feelings of fatigue.
  • Heart failure: shortness of breath, swelling of ankles and feet, and sudden weight gain.

The information above does not list all possible side effects. Contact your doctor or pharmacist if you experience any side effects not listed. You or your doctor may report side effects to the FDA by calling 1-800-FDA-1088.

Warnings & Precautions

Before using Lantus cartridges, tell your doctor or pharmacist:

  • If you take any other prescription medication, especially thiazolidinediones (TZDs)
  • If you suffer from heart failure
  • If you have other heart, liver, or kidney problems
  • If you are pregnant or plan to become pregnant
  • If you are breastfeeding or plan to breastfeed

Lantus cartridges should not be used to treat type 2 diabetes in children.

Do not use Lantus cartridges if you are having an episode of hypoglycemia or if you are in a state of diabetic ketoacidosis.

Lantus should be part of a complete treatment program and include diet and exercise.

Pregnant or planning to become pregnant

Pregnancy can cause your diabetes to worsen. It is not known if Lantus will harm an unborn baby. If you become pregnant, speak to your doctor, who will determine if the benefit of using Lantus cartridges outweighs the risk.

Breastfeeding or planning to breastfeed

Lantus may pass into breastmilk, but is unlikely to harm your nursing infant. Your insulin needs may change while breastfeeding, so you should always speak to your doctor before you start breastfeeding.

Interactions & Contraindications

Before using Lantus cartridges, tell your doctor or pharmacist if you take any medications, herbal supplements, or vitamins.

Thiazolidinediones (TZDs)

Using TZDs with Lantus cartridges could lead to heart failure in some people, even if they haven’t had heart problems before. If you have heart failure, it may get worse if you take TZDs together with Lantus. Tell your doctor immediately if you have any new symptoms of heart failure or if they get worse. Your doctor may need to change or stop treatment with TZDs and Lantus. Symptoms of heart failure include shortness of breath, swelling of the ankles or feet, or sudden weight gain.

Alcohol

Do not drink alcohol or use other medicines that contain alcohol when using Lantus cartridges, as it can affect your blood sugar levels.

Cost & Ordering Information

Buy Lantus Cartridges Through Buy Canadian Insulin

Buy Canadian Insulin helps patients access prescription medication options through participating pharmacy partners.

Pricing may vary depending on product strength, quantity selected, supplier availability, and participating pharmacy partner pricing policies.

Some patients may find pricing through participating pharmacy partners that differs from certain U.S. retail pharmacy prices.

Available services may include:

  • Pricing options based on quantity selected
  • Prescription processing through participating pharmacy partners
  • Shipping options available across eligible U.S. delivery locations
  • Ordering support through phone, email, or live chat
  • Multiple quantity options depending on prescription authorization and supplier availability

Prescription medications require review and approval by a licensed healthcare professional and pharmacist before dispensing, where applicable.

Prescription Requirements

Lantus cartridges require a valid prescription from a licensed healthcare provider.

Prescription orders are reviewed and processed through participating pharmacy partners in accordance with applicable pharmacy regulations.

Patients with questions regarding their medication, insulin administration, storage requirements, or prescription processing may be able to consult with a licensed pharmacist through participating pharmacy partners when available.

Refrigerated Shipping Information

Lantus cartridges require refrigerated storage before first use.

When shipped through participating pharmacy partners, special insulated packaging and temperature-control materials may be used to help maintain recommended storage conditions during transit.

Patients should inspect their shipment upon arrival and follow the storage instructions provided with the medication.

Shipping timelines may vary depending on prescription review requirements, inventory availability, destination location, weather conditions, and carrier services.

Special packaging is used to help maintain recommended storage conditions during shipment. Patients should always review product storage instructions upon receipt.

Pharmacy Fulfillment Information

Some prescription orders may be fulfilled through licensed pharmacy partners located in Canada or other international fulfillment locations depending on product availability and pharmacy sourcing arrangements.

Product availability, fulfillment location, pricing, and shipping timelines may vary.

All prescription medications are sourced through licensed pharmacy partners and dispensed in accordance with applicable pharmacy regulations.

Prescription Medication Discounts and Coupons

Eligible first-time customers may use coupon code FIRST10 during checkout for qualifying orders, subject to current promotional terms and conditions.

Promotional offers may change without notice and may not be combined with other discounts unless otherwise stated.

Ordering Information

Have a prescription?

Patients may explore available prescription options through participating pharmacy partners.

Available ordering features may include:

  • Pricing options based on quantity selected
  • Multiple quantity options depending on prescription details
  • Shipping options with tracking availability when provided by the carrier
  • Customer support assistance through phone, email, or live chat
  • Online and phone ordering availability

To submit a prescription, patients may:

  • Upload a copy of their prescription during checkout
  • Email their prescription to info@buycanadianinsulin.com
  • Fax their prescription to 1-888-234-1275

Prescription orders cannot be processed until all required prescription documentation has been received and reviewed.

Customer Support & Business Information

For questions regarding prescription processing, product availability, shipping timelines, or account support, contact Buy Canadian Insulin customer support:

Phone: 1-888-525-1815

Fax: 1-888-234-1275

Email: info@buycanadianinsulin.com

Customer Support Hours

Monday – Friday: 7:00 AM – 10:00 PM CST

Saturday – Sunday: 9:00 AM – 5:00 PM CST

Business Address

Buy Canadian Insulin

1026 Manitoba Avenue, Suite 1001

Selkirk, MB R1A 4M2

Canada

About Buy Canadian Insulin Services

Buy Canadian Insulin works with participating pharmacy partners to help patients access prescription medications and related healthcare products.

Product availability, pricing, and shipping timelines may vary depending on supplier inventory, participating pharmacy partner availability, prescription requirements, and destination location.

Orders are packaged according to pharmacy handling and shipping procedures.

Patients should continue to follow all healthcare provider instructions regarding insulin use, blood glucose monitoring, storage, and diabetes management while using Lantus cartridges.

Have a prescription?

Order Lantus Cartridges online today and enjoy a host of benefits, including:

  • Cost Savings: Buy Lantus Cartridges at significantly lower prices than in the US prices
  • Bulk Order Discounts: Save more on bulk orders of Lantus Cartridges (up to 90-day supply)
  • Reliable Express Shipping: Fast and discreet delivery shipped right to your doorstep
  • Exceptional Customer Service: Have a question? We’re delighted to help via live chat, email, or phone
  • Easy & Secure Ordering: Seamless online or phone ordering at 1-888-525-1815
  • SAVE 10% on first order with coupon code: FIRST10

Frequently Asked Questions

Lantus cartridges contain the active ingredient insulin glargine. Other inactive ingredients are glycerol, m-cresol, zinc, polysorbate, and water for injection. Sodium hydroxide or hydrochloric acid may have been added to control the acidity.
Lantus cartridges are available in packs of 5 and each cartridge contains 300 units in 3 ml of solution (300 Units/3 mL).
Lantus cartridges are approved to lower blood sugar levels in adults with type 1 and 2 diabetes and children with type 1 diabetes who are 6 years and older.
Lantus cartridges are not recommended if you are having an episode of low blood sugar, or you are in a state of diabetic ketoacidosis. You should not use Lantus cartridges if you are allergic to insulin glargine or any ingredients in Lantus.
Common side effects are low blood sugar, skin reactions or changes in the fat tissue around the injection site, swelling, fluid, upper respiratory infection, itching, allergic reactions, weight gain, or a rash.
The content of Lantus cartridges is injected under the skin with an insulin pen, usually once a day. Use Lantus cartridges as prescribed and follow the instructions given by your healthcare provider. Your healthcare provider will determine the appropriate dose and schedule based on your individual needs and medical history.
If you miss a dose, take it as soon as you remember, but if it’s almost time for your next dose, skip the dose and take your next dose at the regular time. Do not catch up by taking two doses at once. If you took more than prescribed, contact your doctor immediately or seek emergency medical care. Taking more than one dose of Lantus within 24 hours can cause your blood sugar to drop too low.
If you took more Lantus than prescribed, contact your doctor immediately or seek emergency medical care.
  • Excessive alcohol consumption can affect your blood sugar levels and increase your risk of hypoglycemia.
  • If you drive or operate machinery, Lantus cartridges may impair your ability to drive or operate the machinery safely. Monitor your blood sugar levels regularly and make sure it doesn’t drop too low.
Lantus cartridges should be used as directed until advised otherwise by your doctor. It is meant to be used as a long-term treatment, and if it is safe and effective for you, you will likely use it long-term.
Yes, with a prescription, you can purchase Lantus cartridges online. Buying medications online is convenient and often less expensive than purchasing them at your local pharmacy.

Disclaimer

Buy Canadian Insulin provides educational information about medications and health conditions for informational purposes only. This content is not intended to replace professional medical advice, diagnosis, or treatment. Prescription medications require valid prescription review and processing through participating pharmacy partners. Product availability, pricing, and shipping timelines may vary. Consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.

Price Match Guarantee

Price Match Guarantee

We’re dedicated to offering you the best value on every medication. If you discover a lower price on the same product at another verified Canadian online pharmacy, we’ll match it—so you can shop with confidence knowing you’re always getting a fair deal.

Eligibility Criteria

  • The pharmacy must be a licensed Canadian online provider with a verifiable address.
  • The competitor’s price must be active and current (not from past or upcoming promotions).
  • The product must match exactly in strength, pack size, quantity, manufacturer, and country of origin.
  • Requests must be made before completing your order—we cannot adjust prices after purchase.
  • Price matching does not apply to used or expired products.
  • Requests can be submitted via live chat or phone before checkout.

Note: Price matching does not currently apply to Mounjaro®, Ozempic®, or Saxenda®. This policy may be revised in the future.

Kenneth Fill, PharmD, MBA

Kenneth Fill, PharmD, MBA, is a clinical pharmacist specialist and medical writer with a strong background in ambulatory care, pharmacogenomics, and medical content development. Based in the state of Michigan, he provides expert guidance on chronic disease state management. Kenneth completed his PharmD and MBA at the University of Toledo and pursued post-graduate residency training in ambulatory care and community-based pharmacy. His diverse background also includes academic detailing, clinical education, and interdisciplinary collaboration to enhance patient outcomes.

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