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Home > Wellness > Health Library > Storing Insulin and Prefilling Syringes
Insulin can become damaged and ineffective if it is
not stored properly.
Always read the insulin package information that tells the best way
to store your insulin.
You can keep open bottles with you if you keep them in a dark place.
The bottles should not be exposed to temperatures below
36°F (2.2°C) or above
86°F (30°C). Never leave
insulin in the sun or in your hot car, because sunlight and heat reduces the strength of the insulin.
Avoid shaking insulin bottles and cartridges too much to prevent loss
of medicine strength and to prevent clumping, frosting, or particles settling
out. Follow the storage information provided by the manufacturer.
The first time you use an insulin bottle, write the date on the
bottle label. Always store an extra bottle of each type of your insulin in the
If you cannot prepare an
insulin dose but can give the injection, you may need
someone to prepare your insulin dose for you. A family member, friend, or
health professional can prefill insulin syringes for you. If you prefill
Current as of:
June 4, 2014
E. Gregory Thompson, MD - Internal Medicine & Rhonda O'Brien, MS, RD, CDE - Certified Diabetes Educator
How this information was developed to help you make better health decisions.
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