Precautions when mixing types of insulin

Provided by: Healthwise
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When you are mixing types of insulin to be given in one syringe, follow these precautions.

  • If you are mixing NPH and short-acting regular insulin, you can use it right away or refrigerate it to be used later.
  • Insulin glargine (Lantus) and insulin detemir (Levemir) cannot be mixed with other types of insulin. They also cannot be given in a syringe that has been used to give another type of insulin.
  • Lente insulin should not be mixed with regular insulin.

Do not mix human- and animal-source insulins in the same syringe.

Credits

Author Paul Lehnert
Editor Roya Camp
Associate Editor Terrina Vail
Primary Medical Reviewer Martin Gabica, MD
- Family Medicine
Specialist Medical Reviewer Theresa O'Young, PharmD
- Clinical Pharmacist
Last Updated August 31, 2007
Last Updated: 08/31/2007

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