Prescription onlyClass: Endocrine


(insulin glargine)

Prescription onlyClass: Endocrine
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Lowers blood sugar.

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Our bottom line

Lantus (Insulin Glargine) is a long-acting insulin that provides all-day sugar control. It can cause low blood sugar, so make sure you know what the symptoms are and always have a source of sugar nearby.

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  • Insulin is the most effective blood sugar-lowering medicine. When used correctly, it'll lower blood sugar every time you use it and prevent the harmful effects of high sugar levels on your organs and blood vessels.
  • Lantus is a long-lasting insulin that provides consistent, all-day sugar control with less risk of low blood sugar.
  • Dose can be easily adjusted to make a customized regimen that's tailored to your body.
  • Starting insulin early in the treatment of Type 2 diabetes can maintain your body's insulin-producing cells and slow down disease progression.
  • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
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  • You have to take insulin by injection.
  • You have to check your blood sugar every day.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
  • Higher risk of low blood sugar episodes than other kinds of diabetes medicines.
How it works

Lantus (Insulin Glargine) is a long-acting insulin medicine for diabetes. It acts like the insulin that your body normally makes to process sugars and fats, and it keeps your blood sugar stable throughout the day.

What to expect when you take Lantus (insulin glargine) for Improves blood sugar levels

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Side effect rates for Lantus (insulin glargine)

  • Blood vessel disease
  • Injection site pain

Risks and Warnings for Lantus (insulin glargine)

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    • Higher risk if:
    • Insulin dose too high
    • Use of other blood sugar lowering medicines
    • Poor injection techniques
    • Unstable kidney functions
    • Unstable liver functions

    Very low blood sugar is life-threatening. Understand how your body signals low blood sugar, which may include fast heartbeat, sweating, pale skin, feeling shaky, confusion or irritability. Make sure you have access to easy sugar sources to treat low blood sugar.

Common concerns from people taking Lantus (insulin glargine)

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  • I take it before bed-time but quickly determined I needed a carb snack to prevent hypo while sleeping. May switch to morning to see how that works.
  • If taken at night, snack or small bolus before bed
Kidneys and liver
  • Okay to use even if you have liver or kidney problems, unlike most other blood sugar-lowering medicines.
  • Likely to cause moderate weight gain (around 4 to 6 pounds).
  • Can cause weight gain and low blood sugar.