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What If I Take an Overdose of NovoLog?

People who take too much NovoLog (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 NovoLog Overdose for more information.)

How Should It Be Stored?

Unopened NovoLog vials, cartridges, 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 NovoLog cartridge or pen, you must not keep it in the refrigerator (it must be kept at room temperature). All forms of NovoLog are good for up to 28 days once opened, after which you must discard any unused portion.
If you use the medication in an insulin pump, you must discard any unused portion in the pump, along with the infusion set (the reservoir, tubing, and catheter) within 48 hours. IV bags with NovoLog must be discarded after 24 hours.


NovoLog is available in the following forms:
  • NovoLog vials -- 10 mL, with 100 units of insulin per mL
  • NovoLog PenFill® cartridge (for use with certain pen devices) -- 3 mL per cartridge, with 100 units of insulin per mL
  • NovoLog FlexPen -- 3 mL, with 100 units of insulin per mL
  • NovoLog FlexTouch -- 3 mL, with 100 units of insulin per mL.
The PenFill cartridges are meant for use in certain refillable pen devices. The FlexPen and FlexTouch come with NovoLog inside and are not refillable.
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