
Allegra 120 Tablet
Sanofi India Ltd - Tablet - 10 Tablet
Save ₹27.29
Insulin glargine 300 units/mL (U-300) solution for injection
Delivered across India, usually 8–11 days after the order is confirmed. ₹49 delivery, free above ₹999.
Cash on delivery available — pay when your order arrives
This medicine needs a prescription.
You can pay now and add the prescription afterwards. We pack your order only after a pharmacist verifies it.
A doctor decides whether a prescription can be issued. If it is not issued, the prescription items in your order are cancelled and refunded. You choose this at checkout.
Toujeo 300U/ML Cartridge Injection is used for treatment of diabetes mellitus to improve glycaemic control in adults; used as a long-acting (basal) insulin in type 1 diabetes (with mealtime insulin) and type 2 diabetes (alone or with other antidiabetic medicines) as prescribed.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated October 2026
Toujeo 300U/ML Cartridge Injection contains Insulin glargine 300 units/mL (U-300) solution for injection. It belongs to the Long-acting insulin analogue (basal insulin) class of medicines.
Insulin glargine is a long-acting insulin analogue. After subcutaneous injection, it forms a depot in the tissue and is slowly released, providing a steady basal insulin level that lowers blood glucose by increasing peripheral glucose uptake and reducing hepatic glucose production.
For subcutaneous use only. Inject once daily at the same time each day (as advised by the doctor) into abdomen, thigh or upper arm; rotate injection sites. Do not inject into a vein or muscle and do not mix/dilute with other insulins. Follow prescribed dose and titration based on blood glucose; use the compatible insulin pen/device for Toujeo cartridges as instructed.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Contact your doctor or diabetes nurse for advice — do not take a double dose to make up for a missed injection.
An overdose of this medicine can cause severe low blood sugar, leading to fits or unconsciousness — this is a medical emergency. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Toujeo 300U/ML Cartridge are mild and settle as the body gets used to the medicine. The ones reported most often are:
Stop the medicine and get help at once for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
Risk of hypoglycaemia—monitor blood glucose regularly and carry fast-acting sugar. Use caution in renal/hepatic impairment, elderly, irregular meals, increased exercise, or alcohol use. Do not use during episodes of hypoglycaemia. Not for treatment of diabetic ketoacidosis (use short-acting insulin). Switching from other insulins should be done under medical supervision (dose differences between U-100 and U-300). Seek urgent care for severe allergic reaction. Use proper injection technique and site rotation to reduce lipodystrophy.
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not to be used during an episode of low blood sugar.
Other antidiabetic drugs (additive hypoglycaemia),ACE inhibitors/ARBs (may increase hypoglycaemia risk),beta-blockers (may mask hypoglycaemia symptoms),corticosteroids/thyroid hormones/sympathomimetics (may increase blood glucose),thiazide diuretics (may increase blood glucose),alcohol (can increase risk of hypoglycaemia),pioglitazone/other TZDs (risk of fluid retention/heart failure when used with insulin)
Store unopened cartridges refrigerated at 2–8°C; do not freeze and keep away from freezer compartment. Protect from light; keep in outer carton. After first use, keep at room temperature (do not refrigerate) below 30°C, away from heat/light, and use within the period stated on the label/device instructions; do not use if solution is cloudy or contains particles.
People taking Toujeo 300U/ML Cartridge are often asked to check these from time to time. Your doctor decides which and how often.

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Compiled from the manufacturer's prescribing information and the sources below, and reviewed by a registered pharmacist. It does not replace your own doctor's advice.