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What If I Take an Overdose of Lantus?

People who take too much Lantus (or any other insulin) may experience symptoms such as:
  • Low blood sugar levels (hypoglycemia)
  • Fainting
  • Shakiness
  • A fast heartbeat (tachycardia)
  • Confusion
  • Sweating
  • Seizures
  • Coma
  • Loss of life.
If you happen to take too much, seek immediate medical attention.
(Click Lantus Overdose for more information.)

How Should It Be Stored?

Unopened Lantus vials and pens should be stored in the refrigerator. It is best to keep the vials refrigerated once they are opened, although they may be kept at room temperature (less than 86 degrees Fahrenheit). Once you start using a Lantus pen, you must not keep it in the refrigerator; it must be kept at room temperature. All forms of Lantus are good for up to 28 days once they are opened, after which you must discard any unused portion.

Strengths of Lantus

Lantus is available in the following forms:
  • Lantus vials -- 10 mL, with 100 units of insulin per mL
  • Lantus SoloSTAR (disposable pen) -- 3 mL per pen, with 100 units of insulin per mL.
To use the SoloSTAR pen, you must obtain pen needles (such as BD Ultra-Fine™ pen needles). You will need a prescription for pen needles, and they can be purchased at most pharmacies. To use the vials, you will need insulin syringes, which generally come with needles attached. You may need a prescription for insulin syringes, depending on the laws of your particular state and the dispensing practices of your particular pharmacy.
The SoloSTAR pen is disposable, which means you throw it away after it is empty or after 28 days of use, whichever comes first. It is not refillable.
Lantus was once available in cartridges meant for use in the reusable Opticlik® pen. However, the manufacturer has discontinued this product.
Diabetes Tips for Seniors

Lantus Insulin Information

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