
Insulin Glargin…



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Sign in or create a new account.
Upload your prescription.
Complete your purchase by processing the payment.
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Semglee Pre-Filled Pen is a prescription long-acting insulin used to help control high blood sugar. This medication is FDA-approved to improve glycemic control in pediatric patients (age 6 years and older) & adults with type 1 diabetes, and in adults with type 2 diabetes. It contains insulin glargine 100 units/mL, a basal insulin designed to provide steady blood sugar control throughout the day.
Semglee is administered as a once-daily subcutaneous injection and works by providing a long-term basal insulin effect to help control blood glucose. This helps manage blood glucose levels between meals and overnight, reducing fluctuations that can occur in people with diabetes.
The pre-filled pen format allows patients to dial an accurate dose and inject insulin more easily compared to traditional syringes. This can support treatment consistency and adherence when used as prescribed by a healthcare provider.
Semglee (insulin glargine) is FDA-approved as an interchangeable biosimilar to Lantus, meaning it has been shown to be highly similar in safety, quality, and effectiveness when used under medical supervision. With a valid prescription, you can buy Semglee Pre-Filled Pen online from trusted Canadian pharmacies.
| Facts | Details |
|---|---|
| Generic Name | Insulin glargine |
| Brand Name | Semglee Pre-Filled Pen |
| Drug Class | Long-acting (Basal) insulin analog |
| Dosage Form | Pre-filled injection pen |
| Strength | 100 units/mL |
| Indications | Management of blood sugar levels in diabetes (Type 1 & Type 2) |
| Duration of Action | Provides basal insulin coverage for approximately 24 hours in most patients |
| Administration | Subcutaneous injection |
| Injection Sites | Abdomen, thigh, or upper arm (rotate sites) |
| Frequency of Use | Once daily, at the same time each day |
| Storage Instructions | Unopened: Keep in the fridge at 2-8°C (36-46°F). Opened: Store at room temperature below 86°F (30°C) for up to 28 days, away from heat and light |
| Pregnancy and Breastfeeding | Use if clearly needed; discuss with the provider. |
| Special Precautions | Do not mix with other insulins or solutions |
| Approval Status | FDA-approved (biosimilar to Lantus) |
| Packaging | 5 pens per pack |
| Prescription Requirement | Requires a valid prescription |
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Semglee 100 units/mL offers several benefits for people managing type 1 or type 2 diabetes when used as prescribed by a healthcare provider.
Below is a dosage guidelines table that you may consider while using Semglee Pre-Filled Pen 100 units/mL:
| Patient Group/Condition | Recommended Starting Dosage | Notes/Adjustments |
|---|---|---|
| Adults & children (ages 2 and above) with Type 1 diabetes | Approximately one‑third of total daily insulin needs is Semglee (basal). Remaining dose from short‑acting insulin before meals. | Adjust based on blood glucose monitoring and carbohydrate intake. |
| Adults with Type 2 diabetes (new to insulin) | 0.2 units/kg body weight or 10 units once daily | Titrate based on fasting blood glucose and concurrent medications. |
| Switching from once‑daily insulin glargine 300 U/mL | Start Semglee at 80% of the previous daily dose | Monitor closely during transition. |
| Switching from once‑daily NPH insulin | Start with the same daily dose as discontinued NPH | Administer once daily at the same time. |
| Switching from twice‑daily NPH insulin | Start Semglee at 80% of the total daily NPH dose | Give once daily; monitor for hypoglycemia. |
| Special adjustments | Modify dose for diet, activity, illness, renal/hepatic impairment | Always under medical supervision. |
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Semglee is injected once daily, usually at the same time each day, as directed by a healthcare provider. Here are the steps on how you can use the pre-filled pen:
Always follow the specific instructions from your healthcare provider, or refer to the patient information leaflet included with your pen for detailed instructions.
Semglee contains insulin glargine, which is designed to release slowly and evenly after injection. Once injected under the skin, it forms micro-precipitates that gradually release insulin into the bloodstream. This steady release:
As it is a basal insulin, Semglee is often used alongside rapid-acting insulin at meals, depending on individual treatment plans.
The following side effects may improve as your body adjusts to the Semglee long-acting insulin. Contact your healthcare provider if symptoms are severe, persist, or worsen.
| Common | Serious | Rare |
|---|---|---|
| Hypoglycemia (low blood sugar) | Severe allergic reaction (anaphylaxis) | Lipodystrophy (skin changes) |
| Injection site reactions | Severe hypoglycemia (seizures, unconsciousness) | Allergic skin rash/itching |
| Weight gain | Sodium retention/heart failure worsening | Vision changes (blurred) |
| Edema (swelling in hands/feet) | - | - |
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Some medications may change how Semglee (insulin glargine) works, affecting blood sugar levels. Here are some of them:
If Semglee long-acting insulin does not provide adequate blood sugar control or causes side effects, your doctor may recommend the following alternatives:
Semglee is available as a pre‑filled injection pen, providing the same long‑acting insulin as Lantus with convenient dosing and lower cost. Here is an overview of how the two medications compare across key features:
| Feature | Lantus | Semglee |
|---|---|---|
| Generic name | Insulin glargine | Insulin glargine |
| FDA status | Original reference biologic | FDA‑approved interchangeable biosimilar |
| Indications | Type 1 diabetes (≥6 years), Type 2 diabetes (adults) | Same indications |
| Mechanism | Long‑acting insulin generally provides 24‑hour coverage | Same mechanism |
| Effectiveness | Proven for >20 years | Clinically equivalent, no meaningful differences |
| Safety profile | Hypoglycemia, injection site reactions, weight gain | Same side effects |
| Interchangeability | Cannot be substituted without prescriber approval | Can be automatically substituted at the pharmacy. Better (more flexible) |
| Cost | Higher | Lower, designed to reduce insulin costs |
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When you order Semglee Pre-Filled Pen through Polar Bear Meds, you can take advantage of:
Actual savings depend on strength, quantity, and current pricing at the time you order. Always review pricing and coupon details on Polar Bear Meds before checkout.
Polar Bear Meds offers general medication information to support patient awareness and understanding. The information provided on this page is intended for educational purposes only. It should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always consult a licensed healthcare provider or pharmacist before stopping, starting, or changing any medication, including Semglee Pre-Filled Pen.

Dr. Jackson Miller is a board-certified medicine physician & hospitalist. He is a healthcare professional with a strong background in patient care. With years of experience and a patient-first approach, he believes the foundation of good health is a patient who feels informed and empowered. He contributes to medical content review, drawing on his background in clinical practice and patient education. He focuses on presenting health information in a clear, accurate, and accessible way to help readers make informed decisions. His work emphasizes clarity, evidence-based guidance, and understandable explanations of medical topics.
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