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How long before eating should I use the different types of insulins?

ANSWER

Times for taking your insulin before a meal depend on the type of insulin:

  • Rapid-acting insulins: About 15 minutes before mealtime
  • Short-acting insulins: 30 to 60 minutes before a meal
  • Intermediate-acting insulins: Up to one hour prior to a meal
  • Pre-mixed insulins: Depending on the product, between 10 minutes or 30 to 45 minutes before mealtime

SOURCES:

The Department of Endocrinology at The Cleveland Clinic. 

Thomson Micromedex. 

Sanofi-aventis Group in the United States. 

New Zealand Ministry of Health.

News release, FDA.

Reviewed by Michael Dansinger on June 5, 2018

SOURCES:

The Department of Endocrinology at The Cleveland Clinic. 

Thomson Micromedex. 

Sanofi-aventis Group in the United States. 

New Zealand Ministry of Health.

News release, FDA.

Reviewed by Michael Dansinger on June 5, 2018

NEXT QUESTION:

Are there any insulins that aren't tied to mealtimes?

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