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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is The Equivalent Dosage Of Lantus To The Humalog Insulin?

Hi Dr. Grief. My son and I are going on vacation. He is a Type I diabetic that averages about 60 units of Humalog a day by using a pump. We are going to the beach and we use can use Lantus insulin since he has his pump off for most of the day. Is there a typical dose of Lantus he can take for the amount of Humalog insulin he takes to cover him for 8 hours?
Thu, 7 Aug 2014
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Internal Medicine Specialist,  's  Response
HI

Thanks for posting your query .

See let me first tell you the difference between Humalog and LAnctus .

Humalog contains Lispro which is a short acting Insulin which can be given through out the day as basal Infusion through Pump and Bolus injection immediate pre or post meals .

But Lanctus is a long acting Insulin which acts for almost 24 hours .

So the problem with Lanctus is it will control the basal blood sugar levels and not the Post prandial ( that is after meals ) blood sugars . So it's not rational to replace Humalog to Lanctus .

What you can do instead is use either 3 shots of Injectable Short acting Insulin like Humalog or 2 shots of Pre-mixed Insulin before his Breakfast and Dinner .

If you are going for 3 shots of Short acting Insulin like Humalog then you can give 18-22-18 units before his Breakfast , lunch and dinner respectively . But if you are going for 2 shots of Pre-mixed Insulin then you can give 25-0-15 units before his Breakfast and Dinner .
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What Is The Equivalent Dosage Of Lantus To The Humalog Insulin?

HI Thanks for posting your query . See let me first tell you the difference between Humalog and LAnctus . Humalog contains Lispro which is a short acting Insulin which can be given through out the day as basal Infusion through Pump and Bolus injection immediate pre or post meals . But Lanctus is a long acting Insulin which acts for almost 24 hours . So the problem with Lanctus is it will control the basal blood sugar levels and not the Post prandial ( that is after meals ) blood sugars . So it s not rational to replace Humalog to Lanctus . What you can do instead is use either 3 shots of Injectable Short acting Insulin like Humalog or 2 shots of Pre-mixed Insulin before his Breakfast and Dinner . If you are going for 3 shots of Short acting Insulin like Humalog then you can give 18-22-18 units before his Breakfast , lunch and dinner respectively . But if you are going for 2 shots of Pre-mixed Insulin then you can give 25-0-15 units before his Breakfast and Dinner .