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lunchtime spikes

Discussion in 'Type 1 Diabetes' started by stardust92, Jun 15, 2016.

  1. stardust92

    stardust92 Type 1 · Member

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    Hello everybody,

    I was diagnosed as type 1 only 4 months ago, until this week everything has been going really well but these last few days I've been getting blood sugar readings of 14 or 15, always after lunch, although I haven't eaten anything out of the ordinary and I've injected my insulin as normal.

    Does anybody please have an idea what might be causing this? I haven't been doing anything different apart from I have started injecting into my lower back (although I'm really skinny and don't have much fat) - although this seems to be ok for breakfast and dinner.

    Many thanks for your suggestions!

    Ruth
     
  2. noblehead

    noblehead Type 1 · Guru
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    Hi Ruth and welcome to the forum :)

    Maybe you need to look at your insulin-to-carb ratio for your lunch, but before you do that it's worth doing a basal check to make sure the bg rise isn't due to insufficient basal insulin.

    Many of us find we have different I:C ratios from morning to night so it does vary from meal-to-meal, plus pre-bolusing ahead of your food reduces postprandial spikes so try injecting 10-20 mins before eating to see if this makes a difference, on average I bolus 20 mins before food unless the meal is high in fat.
     
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  3. stardust92

    stardust92 Type 1 · Member

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    Thank you so much for your reply. I never realised how I may need to vary my injections by site/carb ratio - I was pretty much told to do 1:15 and just rotate the sites, so you have been very helpful.
     
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