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RE [IP] Gettn' High... Goin' Low
I think the "4 hour rule" for Humalog absorption is yet another in a series
of diabetic YMMVS (Your Mileage May Vary Substantially) situations.
I know for a fact (for me) after much repeated experimentation and testing
that Humalog in my system lasts for a grand total of 90 minutes. That's it.
If my BG is high after 2 hours, I don't factor any residual insulin at
all into my correction dose. And if I test one hour after eating, I only
factor 1/3 of the original dose as residual insulin.
As a side effect of this weirdness, and the fact that I am a slow eater and
a fast Humalog absorber, frequently I take my meal boluses as dual wave over
30 minutes, regardless of the fat content. Otherwise, if it is a high carb
meal, I take all the Humalog up front, and then dawdle over my salad, I have
had the humalog hit so fast that I've gone low during the meal because I
haven't eaten the carbs fast enough !
Granted, in no way is my diabetes typical. This is just yet another sign of
>Date: Wed, 02 Apr 2003 08:01:44 -0800
>From: Sue K <email @ redacted>
>Subject: Re: RE [IP] Gettn' High... Goin' Low
>The thing is, is the way Humalog works, is it takes 4 hours. It doesn't
>absorb any faster (typically). I mean some people do absorb faster and you
>can cause a faster drop if you exercise, etc. but it's described in the
>specification that comes with Humalog.
>It doesn't work any faster unless you take an over dose of it. If you take
>enough to bring you to your desired goal in one hour, you are going to have
>3 more hours of unabsorbed insulin in your system to deal with. That really
>makes for a roller coaster affect.
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