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Interesting...

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Northerner

Admin (Retired)
Relationship to Diabetes
Type 1
...well, to me anyway! I have been rising early now that Spring is well underway, and was up at 5:15 this morning. I injected 8 units to cover a slice of toast and jam and went for a run about 90 mins later. I didn't test before and after the run as I can be pretty confident these days that the run will hardly make any difference to my levels immediately, it's in the hours afterwards when it seems to have the effect (which has always struck me as a bit bizarre!).

Anyway, I tested again 4 hours after eating/injecting and I was 4.3. Felt peckish so I had a slice of toast, this time no jam and only 3 units insulin. Just feeling peckish again 3 hours after eating this and I'm 4.0! Which probably suggests that 2 or 2.5 units would be a more appropriate dose. So, first thing toast = 8 units, after run toast = 2 units! 😱 Time fr lunch I think, but now I'm slightly stacking the insulin I'm not sure what to give for my banana sandwich and yoghurt - carb counting is all well and good, but adjusting for exercise is tricky!
 
Ha yes! I need a combo of 20% dose reduction and something like 15-25g in short acting carbs either side of a gym visit to keep me steady.

Your 8u vs 2u is crazy! Mind you at 4.x I'd have knocked off a unit to aim to get me back nearer 6.
 
omg I don't know how you type 1s do the maths!!! 😱
 
Ha yes! I need a combo of 20% dose reduction and something like 15-25g in short acting carbs either side of a gym visit to keep me steady.

Your 8u vs 2u is crazy! Mind you at 4.x I'd have knocked off a unit to aim to get me back nearer 6.

Yes, but I thought I might have underdosed myself by only giving 3 units! The thing is, if I hadn't eaten/injected then, but waited until lunchtime (i.e. another 3 hours) then my levels would probably have been in the upper 6s, despite the exercise. Lowering my dose prior to exercise doesn't work for me at all, I just end up too high!

I've gone for 6 units for the sandwich and yoghurt, which feels way too small a dose, but we'll see! 🙂
 
Tricky indeed................being able to adjust your basal dose can help with regular exercise, but not really possible with a once a day and very small dose of Lantus.......

How many units of Lantus are you on again.........?
 
Tricky indeed................being able to adjust your basal dose can help with regular exercise, but not really possible with a once a day and very small dose of Lantus.......

How many units of Lantus are you on again.........?

I'm on 6 units at the moment, which seems to be OK as I tend to wake in the 5s and it is rock steady overnight (e.g. 5.3 before bed, 5.3 on waking!).
 
I'm on 6 units at the moment, which seems to be OK as I tend to wake in the 5s and it is rock steady overnight (e.g. 5.3 before bed, 5.3 on waking!).


I would say still enough units to split but why fix something that's not broken

Balancing out the insulin and carbs intake may be the best option....

Have you recorded how long the effects of a run last.....?
 
...Have you recorded how long the effects of a run last.....?

About 40 hours! 😱

Well, my 6 units for my banana sandwich and yoghurt was too much - just had a hypo three hours after injecting/eating. Only a 3.8 though, and I felt early symptoms so that's something! 🙂 Now, where are those skittles?
 
I need to start a 0% TBR half an hour before exercising, then set it for 2 hours for 1 hour of exercise. It's crazy how much exercise reduces my BG.

North - I think it's quite common for exercise to affect BG for some time afterwards - even up to 2 days, depending on how strenuous.

Mike - I'd just like to point out that the TBR function on the pump eliminates my need for snacking or reducing boluses :D
 
To me (and I accept I know very little) 8 units sounds a massive amount to cover one slice of toast and jam. Toast is only between 1.5 and 2, and the jam wouldn't have been 6 units worth surely? Ah, but I've just thought, we are working on a 1:10 ratio - maybe you do things differently. That would send my son hypo without the exercise.......😱
 
To me (and I accept I know very little) 8 units sounds a massive amount to cover one slice of toast and jam. Toast is only between 1.5 and 2, and the jam wouldn't have been 6 units worth surely? Ah, but I've just thought, we are working on a 1:10 ratio - maybe you do things differently. That would send my son hypo without the exercise.......😱

It's not really because of the toast - I am much more insulin resistant in the mornings and my liver also adds more glucose to the equation, so

breakfast=1 slice bread=8 units
brunch=1 slice bread=3(2?) units
lunch=2 slices bread+banana+yoghurt=6(5?) units!
evening meal=Shepherd's Pie+ice cream+fruit=8units!!

The numbers in brackets are what I should have injected to avoid the hypos I've had! You can see how my ratios change through the day!
 
Gordon Bennett!!! Looks way too complicated to me! My son had a home visit from our DSN a couple of weeks ago and it is the first time she talked about correction doses and maybe even altering the Lantus if he did a lot of strenuous exercise (she cited a week of skiing for example). We have just poodled along, 1:10 every mealtime, and each time he starts having daily hypos she lowered his Lantus by a unit or two. Then it would stabilise for a while, and again when the hypos started she would lower it again. Now she wants it to remain at its current level - 25 units - and still 1:10 with meals, but maybe drop a unit or two off at breakfast/lunch if PE follows on particular days. I must say at the moment with his GCSEs underway, he is actually not giving any Novorapid at breakfast for fear of going hypo during exams. School are fully aware, and he knows what to do if one occurs during an exam, but he said he doesn't want the embarrassment of asking to leave the room. I am going along with that at the moment, it's only a few days here and there over the next four weeks, so hopefully we get away with it.
 
Anyway, I tested again 4 hours after eating/injecting and I was 4.3. Felt peckish so I had a slice of toast, this time no jam and only 3 units insulin. Just feeling peckish again 3 hours after eating this and I'm 4.0! Which probably suggests that 2 or 2.5 units would be a more appropriate dose. So, first thing toast = 8 units, after run toast = 2 units! 😱 Time fr lunch I think, but now I'm slightly stacking the insulin I'm not sure what to give for my banana sandwich and yoghurt - carb counting is all well and good, but adjusting for exercise is tricky!


TBH I wouldn't have injected anything at 4.3 and just ate the toast to replace the lost energy taken out on the run, on dafne we were advised not to inject between meals unless absolutely necessary for the reasons you state above, the potential for postprandial hypos are very real when stacking insulin doses close together.
 
TBH I wouldn't have injected anything at 4.3 and just ate the toast to replace the lost energy taken out on the run, on dafne we were advised not to inject between meals unless absolutely necessary for the reasons you state above, the potential for postprandial hypos are very real when stacking insulin doses close together.

My levels normally climb after exercise, so if I hadn't injected then they would probably have gone above range by lunchtime. UNLESS, which is something I remember someone saying, having a free carb after the run stops the rise because you are providing glucose from food so the liver doesn't overcompensate. This is a bit new to me because of the long time between breakfast and lunch (5:15-12:30). Until recently I have been going for my run within 3-4 hours of lunchtime so haven't felt the need to eat in between or inject. I'm very opposed to stacking insulin, but my second dose was 4 hours after my first and I tried to take account of it when dosing for lunch 3 hours later (nearly got it right!) 🙂
 
I'm very opposed to stacking insulin, but my second dose was 4 hours after my first and I tried to take account of it when dosing for lunch 3 hours later (nearly got it right!) 🙂

Pumpers stack insulin all day every day... just fractions of units as basal. :D
 
Ah but it only tracks correction elements of doses, rather than anything logged as dealing with carbs eaten...
 
Ah but it only tracks correction elements of doses, rather than anything logged as dealing with carbs eaten...

Bolus wizard on pump includes active insulin taken for carbs... :D
 
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