Topics | Fast Facts |
Generic name |
- insulin glargine (pronounced IN soo lin GLAR jeen) (no generic available)
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Common brand names |
- Lantus, Lantus SoloSTAR (prefilled pen)
- OptiClik pens are used with Lantus cartridges
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Type of insulin, onset, duration |
- Long-acting; begins working in 3 to 4 hours and lasts up to 24 hours or more
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Uses |
- Treatment of type 1 and type 2 diabetes mellitus to improve control of blood glucose
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When to take the insulin |
- Lantus should be injected under the skin once daily at the same time each day
- In rare circumstances, Lantus may be taken twice daily if prescribed by your doctor
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Usual dose |
- The frequency and dose of insulin are unique to each individual
- Daily doses of insulin are based upon body weight, diet, activity level, age, individual sensitivity to insulin, type of diabetes (1 or 2)
- Monitor glucose levels more closely during the first few weeks of taking Lantus
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Injecting the insulin |
- Do not dilute or mix Lantus with other insulins
- Ask your doctor, nurse, or pharmacist to show you how to draw your dose of insulin into a syringe and inject it, or how to select the dose on a pen device and inject the insulin
- Lantus should not be used with an insulin pump or injected into a vein
- If using an OptiClik pen, be sure you are not holding the pen upside down when viewing the dose in the window (see pictures on bottom of other side of page)
- Before injecting a dose, take the chill off refrigerated insulin by gently rolling the vial, pen, or cartridge between the palm of both hands (do not shake the insulin vigorously)
- Inject the insulin below the skin (not in the muscle) in the upper thighs, upper arms, buttocks, or abdomen; the injection site should be changed (rotated) with each dose
- Don't use Lantus if the insulin appears cloudy instead of clear and colorless
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Special instructions and precautions |
- Inject Lantus at the same time each day
- Follow the diet prescribed by your doctor; keep your eating habits and exercise regular
- Tell the doctor who prescribes insulin about any new medicines you are taking
- Do not share insulin pens, cartridges, or syringes/needles with others
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Safety during pregnancy/breastfeeding |
- Talk to your doctor about managing your diabetes during pregnancy and breastfeeding
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Storage and disposal |
- Store unopened vials, cartridges, and pens in the refrigerator until first use (do not freeze)
- After first use, store vials in the refrigerator or at room temperature; discard after 28 days
- After first use, store cartridges and insulin pens at room temperature (do not refrigerate); discard after 28 days
- Safely dispose of used syringes/needles, pens, and lancets (safety tip #3)
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Most common side effects |
- Hypoglycemia (low blood sugar); see signs and treatment of hypoglycemia above
- Low potassium blood levels, fast heart rate, fatigue, headache, hunger, weight gain
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Other conditions to report to your doctor |
- Chest pain or palpitations, persistent fatigue, confusion, numbness of mouth, lips, or tongue, muscle weakness or tremors, vision changes, swelling of feet, flu-like symptoms
- Swelling, itching, redness, warmth, or pain at the injection site
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Herbals that should not be taken with Lantus |
- These herbals can lower your blood glucose: chromium, garlic, gymnema
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Prescription medicines that should not be taken with Lantus |
- Many prescription medicines can affect your blood sugar levels and insulin needs
- Tell your doctor about all the medicines you take, particularly new medicines
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Special tests your doctor may prescribe |
- Patients are often asked to test their own blood glucose using home testing equipment, test their urine for sugar and acetone, and take their blood pressure regularly
- To monitor your diabetes, your doctor may periodically test your blood levels for hemoglobin A1c, potassium, cholesterol, and substances that measure kidney function
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