Lantus Cartridges (100 Units/mL)


Lantus - Sanofi
🍁 Shipped From Canada
❄️ Temperature-Sensitive Packaging
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Lantus cartridges are only suitable for injecting just under the skin using a reusable pen. Speak to your doctor if you need to inject your insulin by another method.

Insulin glargine controls high blood glucose levels for adults and children over the age of 6 with type 1 and type 2 diabetes.

This medication is long-acting insulin that is similar to the insulin produced by the pancreas in our body. It begins working several hours after injection and continues to work evenly for 24 hours.

Lantus cartridges are made specifically to connect with certain insulin pens (including Lantus Solostar Pens)

This insulin may be recommended to be combined with oral diabetes medication or fast-acting insulin.

Taking insulin should only be part of your treatment. Patients should also incorporate a lifestyle that includes a healthy diet and regular exercise.

Lantus is also available in vials.

Additional information


Low, High

Warnings and Precautions

Talk to your doctor, pharmacist, or nurse before using Lantus. Follow the instructions closely for posology, monitoring (blood and urine tests), diet, and physical activity (physical work and exercise) as discussed with your doctor.

If your blood sugar is too low (hypoglycemia), follow the guidance for hypoglycemia.

The injection site should be rotated to prevent skin changes such as lumps under the skin. The insulin may not work very well if you inject it into a lumpy area (see usage tab). Contact your doctor if you are currently injecting into a lumpy area before injecting in a different location. Your doctor may tell you to check your blood sugar more closely and adjust your insulin or other anti-diabetic- medication doses.

Before traveling, consult your doctor. You may need to talk about the availability of your insulin in the country you are visiting and the supplies of insulin and needles. You may also need to discuss the correct storage of insulin, timing of administrations, and the effects of different time zones. It is also essential to go over possible new health risks in visiting countries and what you should do in emergencies.

If you experience any signs of hyperglycemia or hypoglycemia, managing your diabetes may require a lot of care (for example, adjustment to insulin dose, blood and urine tests). In most cases, you will need a doctor. 

If you have type 1 diabetes (insulin-dependent diabetes mellitus), do not stop your insulin and continue to get enough carbohydrates. Always tell people who are caring for you or treating you that you require insulin.

Insulin treatment can cause the body to produce antibodies to insulin (substances that act against insulin). However, only very rarely will this require a change to your insulin dose.

Some patients with long-standing type 2 diabetes mellitus and heart disease or previous stroke who were treated with pioglitazone (oral anti-diabetic medicine used to treat type 2 diabetes mellitus) and insulin experienced the development of heart failure. Inform your doctor as soon as possible if you experience signs of heart failure such as unusual shortness of breath or rapid increase in weight, or localized swelling (edema).

Handling Lantus Cartridges

Lantus in cartridges is only suitable for injecting just under the skin using a reusable pen. Speak to your doctor if you need to inject your insulin by another method.

To ensure you get the accurate dose, the Lantus cartridges are to be used only with the following pens:

– JuniorSTAR which delivers doses in steps of 0.5 units

– ClikSTAR, Tactipen, Autopen 24, AllStar, or AllStar PRO deliver doses in stages of 1 unit.

Not all of these pens may be marketed in your country. The pen should be used as recommended in the information provided by the device manufacturer.

The manufacturer’s instructions for using the pen must be followed carefully to load the cartridge, attach the needle, and administer the insulin injection.

Keep the cartridge at room temperature for 1 or 2 hours before inserting it in pen.

Look at the cartridge before you use it. Only use it if the solution is clear, colorless, waterlike, and has no visible particles.

Do not shake or mix it before use.

Always use a new cartridge if you notice that your blood sugar control is unexpectedly getting worse. This is because insulin may have lost some of its effectiveness. If you think you may have a problem with Lantus, check it with your doctor or pharmacist.


Before starting your Lantus insulin treatment, inform your doctor of your existing medical conditions, especially heart, liver, or kidney problems.

Inform your doctor if you are pregnant, planning on pregnancy, breastfeeding, or planning to breastfeed. See the pregnancy tab for more information.

Keep your insulin schedule consistent. Lantus should be taken once daily at the same time.

Monitor your blood glucose levels while taking insulin.

Do not make any modifications to your insulin dose or schedule without consulting your doctor first.

Do not mix or dilute Lantus with other insulin or solutions. This may cause the insulin to not work as intended and affect blood glucose level control, leading to severe complications.

Only use Lantus if the solution is colorless or transparent, with no particles inside.

Check your insulin before taking it to make sure it’s the correct insulin.

Do not stop taking this medication unless instructed otherwise by your doctor.

Lantus is injected under the skin (subcutaneously). Your doctor will decide your dose and frequency based on your condition.

Side Effects

A side effect is an unwanted response to taking medication in regular dosages.

As with any medication, side effects may occur. They are usually temporary and go away within a few days or weeks.

Side effects when taking Lantus may include hypoglycemia (low blood sugar), severe allergic reactions (including body rash), painful swelling of the skin or mucous membranes.

Drug Interactions

Medicines that may cause your blood sugar level to fall (hypoglycemia) include:

– all other medicines to treat diabetes,
– angiotensin-converting enzyme (ACE) inhibitors (used to treat certain heart conditions or high blood pressure),
– disopyramide (used to treat certain heart conditions),
– fluoxetine (used to treat depression),
– fibrates (used to lower high levels of blood lipids),
– monoamine oxidase (MAO) inhibitors (used to treat depression),
– pentoxifylline, propoxyphene, salicylates (such as acetylsalicylic acid, used to relieve pain and lower fever),
– sulfonamide antibiotics.

Medicines that may cause your blood sugar level to rise (hyperglycemia) include:

– corticosteroids (such as “cortisone” used to treat inflammation),
– danazol (medicine acting on ovulation),
– diazoxide (used to treat high blood pressure),
– diuretics (used to treat high blood pressure or excessive fluid retention),
– glucagon (pancreas hormone used to treat severe hypoglycemia),
– isoniazid (used to treat tuberculosis),
– estrogens and progestogens (such as in the contraceptive pill used for birth control),
– phenothiazine derivatives (used to treat psychiatric disorders),
– somatropin (growth hormone),
– sympathomimetic medicines (such as epinephrine [adrenaline], salbutamol, terbutaline used to treat asthma),
– thyroid hormones (used to treat thyroid gland disorders),
– atypical antipsychotic medicines (such as clozapine, olanzapine),
– protease inhibitors (used to treat HIV).

Your blood sugar level may either rise or fall if you take:

– beta-blockers (used to treat high blood pressure),
– clonidine (used to treat high blood pressure),
– lithium salts (used to treat psychiatric disorders).

Pentamidine (used to treat some infections caused by parasites) may cause hypoglycemia which may sometimes be followed by hyperglycemia.

Beta-blockers, like other sympatholytic medicines (such as clonidine, guanethidine, and reserpine), may weaken or suppress entirely the first warning symptoms, which help you to recognize hypoglycemia.

If you are not sure whether you are taking one of those medicines, ask your doctor or pharmacist.


Ask your doctor or pharmacist for advice before taking any medicine.

Inform your doctor if you are planning to become pregnant or if you are already pregnant. Your insulin dose may need to be changed during pregnancy and after giving birth. Meticulous control of your diabetes and prevention of hypoglycemia is essential for your baby’s health.

If you are breastfeeding, consult your doctor as you may require adjustments in your insulin doses and diet.


Store in a refrigerator between 2 to 8°C and do not freeze the medication. Ensure the cartridges and all insulin products and kept away from children.