Diabetes Home > Humalog Dosage

Your healthcare provider will recommend a Humalog dosage based on how you respond to the medication and your current dose of other insulins. There is no standard dose that will work for the same person in all situations. For example, smaller Humalog doses are necessary if you eat a low-carbohydrate meal, while larger doses are necessary after meals with a high carbohydrate content.

Humalog Dosage: An Introduction

The dose of Humalog® (insulin lispro) your healthcare provider recommends will vary, depending on a number of factors, including:
  • The carbohydrate content of your meals
  • How you respond to Humalog (especially as measured by your blood sugar levels)
  • Your current dose of other insulins
  • Other medications you are taking, including other diabetes medications
  • Other medical conditions you may have.
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so. This article refers to plain Humalog. Humalog is also available in combination with an intermediate-acting insulin (Humalog Mix75/25® and Humalog Mix50/50®).

Humalog Dosing Guidelines

Humalog is dosed much like any other rapid-acting insulin. That means there is no "standard" dose that will work for all people, or even for the same person in all situations. Humalog is used to control blood sugar after meals. It can be taken any time within 15 minutes before or after a meal. Once you have taken a dose, you must start eating within 15 minutes. Otherwise, you may experience dangerously low blood sugar (hypoglycemia).
You may be asked to measure your blood sugar before and after meals, and your healthcare provider may recommend carbohydrate counting. Both of these things can help you and your healthcare provider know how to figure your Humalog dose. In general, smaller doses of Humalog are necessary after meals with a low carbohydrate content, while larger doses are necessary after meals with a high carbohydrate content.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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