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Carb/insulin ratio difference throughout day?

Discussion in 'Parents of Children with Type 1' started by tina, Sep 26, 2011.

  1. tina

    tina Approved members

    Jun 27, 2011
    Hi Everyone!

    We notice in my 4 yo son, diagnosed in June, that he routinely has high BG (+200) in the morning 8am, he will be mid-high at lunchtime, noon, but will drop low in the afternoon (<80). This happens very often to the point that it doesnt seem to be an incorrect calculation at lunchtime. Sometimes it is due to a lot of excercise, but often it is not

    He is currently at 1 unit/20g of carbs and 0.5 units/50 BG over 150 of humalog.

    At night he gets 2.5 U of Lantis.

    Would it be okay to alter his lunchtime carb/insulin ratios to differ from his morning carb/insulin ratio?

    For instance stick with 20/1 for breakfast and dinner, but drop to 30/1 for lunch?

  2. emm142

    emm142 Approved members

    Sep 7, 2008
    Yes, this is very common. I used to need twice as much insulin at breakfast than at any other time of day!
  3. lisac

    lisac Approved members

    Sep 5, 2011
    Absolutly! Hadlee has a different carb count for each meal, with a 4th carb count in case she eats supper after 8pm. You know your child best, go with your instincts.
  4. Becky Stevens mom

    Becky Stevens mom Approved members

    Oct 14, 2008
    This is what I have to do for Steven. He needs alot more insulin in the morning for breakfast so gets 1:10 but for lunch he will get 1:12 or even 1:15 if he's going outside for recess as this will help to burn some glucose
  5. Melissata

    Melissata Approved members

    Feb 19, 2009
    Yes, like Emma says, it is very common that they are more insulin resistant in the morning, so the ratios can be totally different. Most parent's don't figure it out so quickly as you did though, being so newly diagnosed! It isn't usually until people start pumping that they figure it out, or the pump trainer does.
  6. mom24grlz

    mom24grlz Approved members

    Mar 30, 2010
    yep, i think it's common to need more insulin during the AM. Ashleigh's I:C ratio and basal needs are highest in the morning and gradually get less and less as the day goes on.
  7. hdm42

    hdm42 Approved members

    May 1, 2008
    Definitely. Campbell's ratios are 1:7, 1:12, and 1:14 for breakfast, lunch and dinner.
  8. cm4kelly

    cm4kelly Approved members

    Apr 28, 2011
    My four year old

    My four year old has breakfast 1:12, lunch 1:20 and dinner 1:25. We definitely need higher ratio in the AM.

    I would advise, though, to make a slow change to get it right. Our endo encouraged us to adjust by 2, give it two to three days, and then adjust again until it is correct.

    It takes a good long while to get there. We have been doing this for two years.

    If you ever look into pumping, we crank up basal rate at 4:30 AM to help with the morning highs.It really works.
  9. Cdpimpinella

    Cdpimpinella Approved members

    Aug 11, 2011
    I agree...very common. My dd's ratios are 1:12 bfast...1:20 lunch...and 1:15 dinner. Everyones ratios are going to be different. It is a guessing game at times to find the right ratio. Good luck.
  10. Amy C.

    Amy C. Approved members

    Oct 22, 2005
    Having a different ratio at meals is quite common. I would guess that your endo has not had a chance to teach you this management technique.
  11. TheFormerLantusFiend

    TheFormerLantusFiend Approved members

    Sep 10, 2006
    I do need different ratios at different times, but I also just need some carbs in the early afternoon without any insulin because I am more insulin sensitive so the Lantus dose lowers my blood sugar at that time.

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