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What If I Take an Overdose?

People who take too much of any type of insulin may experience symptoms such as:
  • Low blood sugar levels
  • 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 Insulin Overdose for more information.)


In general, insulin should be stored in the refrigerator (not freezer) until you start using it. After that, the recommended storage conditions depend on what type of the medication you use. Insulin pens and cartridges should not be stored in the refrigerator once you start using them. Vials in use are best kept in the refrigerator, but can usually be stored at room temperature for a certain period of time (which varies depending on the type of insulin).
(Click Insulin Storage for more information.)

Insulin Strengths

Almost all insulins available today come in U-100 strength (100 units of insulin per mL). There is also a very concentrated form of regular insulin known as U-500 insulin (500 units of insulin per mL).

Generic Insulin Availability

At this time, the medication is not available in generic form (see Generic Insulin).
Diabetes Tips for Seniors

Insulin Drug Information

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