How should I store Humulin?

When using Humulin, it's important to know how to store and handle it. Store your supply of Humulin in the refrigerator, but keep the vial or insulin pen you're currently using at room temperature to make the injection less painful. Insulin vials can be safely kept at room temperature for about a month. Insulin pens should be thrown out two weeks after you first use them.

Some other tips about how to store Humulin:
  • Keep it in its original carton.
  • Don’t freeze it.
  • Keep it away from heat and direct sunlight.
  • Use it before the expiration date.

Continue Learning about Diabetes


Diabetes mellitus (MEL-ih-tus), often referred to as diabetes, is characterized by high blood glucose (sugar) levels that result from the body’s inability to produce enough insulin and/or effectively utilize the insulin. Diabetes ...

is a serious, life-long condition and the sixth leading cause of death in the United States. Diabetes is a disorder of metabolism (the body's way of digesting food and converting it into energy). There are three forms of diabetes. Type 1 diabetes is an autoimmune disease that accounts for five- to 10-percent of all diagnosed cases of diabetes. Type 2 diabetes may account for 90- to 95-percent of all diagnosed cases. The third type of diabetes occurs in pregnancy and is referred to as gestational diabetes. Left untreated, gestational diabetes can cause health issues for pregnant women and their babies. People with diabetes can take preventive steps to control this disease and decrease the risk of further complications.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.