Question about testing

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Date Joined Mar 2003
Total Posts : 10405
   Posted 1/13/2010 6:19 AM (GMT -7)   
I've always been instructed to test fasting BGL the first thing when I get up, before drinking water or engaging in activities. After testing several times yesterday, I found my morning level was 10 to 15 points higher than it was the rest of the day. I'm thinking maybe I dehydrate a lot over the night.

My question is, do you drink water or anything else before your fasting test?

Lanie G
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Date Joined Nov 2006
Total Posts : 5969
   Posted 1/13/2010 6:55 AM (GMT -7)   
I drink water and take my bp medicine sometimes before I test in the morning.  I didn't think drinking water or not would affect the reading - or at least certainly not by that much.  I'm not consistent with that.  confused 
forum moderator - diabetes
diabetes controlled so far by exercise and a low/no carb diet

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Date Joined Mar 2003
Total Posts : 10405
   Posted 1/13/2010 7:30 AM (GMT -7)   
Thanks, Lanie. One thing I've already learned is that a fruit or veggie afternoon snack tends to make my evening glucose lower even than if I had no snack. Good information for me to have, I think!

Veteran Member

Date Joined May 2006
Total Posts : 547
   Posted 1/13/2010 11:21 AM (GMT -7)   
Drinking water should not affect your reading.... Assuming you're taking your test within 15 minutes of rising; that's the important part.

Eating keeps the metabolism up and running - a good thing.
- Phishbowl (Type 1 since Jan'05 - Levemir, NovoRapid)
"What's Not Measured Is Not Managed"

"It is impossible for a man to learn what he thinks he already knows"-Epictetus

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