You can keep bottles of insulin at room temperature if you use them up in 30 days.
Keep extra insulin in the refrigerator. Remember to let refrigerated insulin warm up for about 15 minutes before using it. Throw away all open bottles of insulin after 30 days.
If you use insulin pens, be aware that room temperature storage guidelines can vary from 10 to 42 days, depending on the insulin type. Check with your diabetes educator or pharmacist.
Look at the expiration date on each insulin bottle/pen before you use it. Throw out insulin if the expiration date has passed.
Avoid exposing insulin to direct sunlight or freezing temperatures.
Do not use insulin that is lumpy, sticks to the edges of the bottle/pen or looks discolored.
Traveling with insulin
When you travel, keep your insulin with you. Do not leave it in a car or other vehicle.
It is a good idea to travel with extra supplies (insulin, syringes and test strips).
Regulations for airline travel may apply. Check with the airline before you fly.
Keep all medicines in their original containers with the pharmacy labels on.
Talk with your diabetes educator for more travel suggestions.