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Regular Insulin Dosage

A standard regular insulin dosage has not been established. This is because there is not a single dose that will work for all people or even for the same person in all situations. To help determine appropriate regular insulin dosing, your healthcare provider may recommend carbohydrate counting and ask you to measure your blood sugar before and after meals.

Dosage of Regular Insulin: An Introduction

The dose of regular insulin (Humulin® R, Novolin® R) that your healthcare provider recommends will vary, depending on a number of factors, including:
  • Your current dose of other insulins
  • The carbohydrate content of your meals
  • How you respond to regular insulin (especially as measured by your blood sugar levels)
  • Other medications you are taking, including other diabetes medications
  • Other medical conditions you may have.
As is always the case, do not adjust your dosage unless your healthcare provider specifically instructs you to do so.

Regular Insulin Dosing Guidelines

There is no "standard" regular insulin dose that will work for all people or even for the same person in all situations. Regular insulin is used to control the rise in blood sugar due to meals. It begins working within 30 to 60 minutes, peaks between 50 and 120 minutes, and lasts for 5 to 8 hours (although there may be considerable variation depending on the particular individual).
You may be asked to measure your blood sugar before and after meals, and your healthcare provider may also recommend carbohydrate counting. Both of these things can help you and your healthcare provider know how to dose your regular insulin. In general, smaller doses of regular insulin are necessary for meals with a low carbohydrate content, while larger doses are necessary for meals with a high carbohydrate content.
Healthy Eating for People With Diabetes

Regular Insulin Information

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