Test strips expiration

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Prayerful
Regular Member


Date Joined Oct 2005
Total Posts : 218
   Posted 2/16/2011 5:05 PM (GMT -6)   
I just found a box of test strips I had misplaced and noticed the expiration date was 7-2010 with about 30 strips still inside.
#1- Is it too late to use these strips? I tested a few and they appear to be doing a correct reading.
#2- If they were "bad" would they be giving me a higher or lower reading?
Does anyone know?
Bob
 
#3- I like to eat a grapefruit with a cup of decaf at nighttime. Is the grapefruit okay to eat? Some folks have told me they are greast for people with preD, but I was just wondering what your opinions might be since your are more knowledgeable about these things.

Post Edited (Robert2) : 2/16/2011 3:18:35 PM (GMT-7)


LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 3337
   Posted 2/16/2011 5:25 PM (GMT -6)   
#1.  They may be fine.
#2.  Either high or low.
 
I believe that humidity affects the strips more than anything.  (I'm not talking about rough handling with your hands which I'm sure can also affect results.)  I always understood that we should be sure to keep the plastic container tightly closed and to store it in a dry place, not the bathroom for instance. 
 
 I would test my blood sugar twice, with an older strip and then a new one and see if there's a significant difference.  If the results are rather close, I'd just continue using them.  If you are type 1 and rely on accurate testing before administering insulin, you might not want to use them if you're in doubt.  But, again, try doing two tests right after another with the same meter and judge for yourself.
 
Try contacting the manufacturer and asking the same question.  You might get an informative answer and they might send you another container.  Doesn't hurt to ask.
 
Personally, since July last year is not that long ago and if the container has remained closed, I'd use them.
 
Maybe someone else has a better-informed answer....
 
#3.  grapefruit
According to several online sites, 1/2 fresh grapefruit has about 9 gr. carbs (13 if it's a pink grapefruit).  That seems reasonable as long as you don't dump sugar on it before you eat it.  Even though this fruit isn't particularly sweet it does have carbs (like broccoli has carbs!) but it also has good nutrition and fiber so if it doesn't mess up your blood sugar, go for it!
Lanie

diabetes moderator
diabetes type 2 controlled so far by diet and exercise
very low carb way of eating

Post Edited (LanieG) : 2/16/2011 3:50:51 PM (GMT-7)


Prayerful
Regular Member


Date Joined Oct 2005
Total Posts : 218
   Posted 2/16/2011 5:48 PM (GMT -6)   
Thank you.
Would you have any commenhts about my #3?
 
P.S. Have you ever heard that most of your readings will "rise' the older you get (including BS readings)?

LanieG
Forum Moderator


Date Joined Nov 2006
Total Posts : 3337
   Posted 2/16/2011 5:54 PM (GMT -6)   
Hmm, I've read that many people do become "insulin resistant" as they get older so that would mean their blood sugar would also rise.  If an older person can keep active and eat balanced meals (not overloaded in carbs), then he could possibly control his blood sugar better if he sees that his blood sugar is rising from year to year.  Obviously, if there is a family history of diabetes, that's a red flag.  Well, you know lots of things change when we get older ...........
 
I edited my first answer for the grapefruit.
Lanie

diabetes moderator
diabetes type 2 controlled so far by diet and exercise
very low carb way of eating

Chaul22
Regular Member


Date Joined May 2010
Total Posts : 166
   Posted 2/19/2011 2:52 AM (GMT -6)   
It also depends on the type of strips. There are strips out there that come with a sort of chip that you put in the meter when you change the box of strips. The meter checks the chip and refuses to take a measurement if the expiration date has passed. Annoying. The strips would still be perfectly usable, maybe the error in the readings increases over time, but personally I could live with that.

Fruits are good. Typically a fruit has 10g of carbs per 100g of weight. The peels weigh a lot too, but you don't eat those, do you. I often count any fruit except banana of having 10g of carbs. It's close enough. Full oranges and grapefruits might weigh more and bananas I was told to only eat a half of. The size varies a lot. Sometimes I think they should just start growing all fruits exactly the same size... That would make it easier for diabetics. :) Also the carbs in fruits are fructose that should absorb slower than regular sugar.
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