confused about blood tests

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Regular Member

Date Joined Jun 2007
Total Posts : 20
   Posted 6/25/2007 9:08 AM (GMT -7)   

I obviously know very little about Diabetes, but wondered if anyone could answer a few questions.

I started some symptoms about two weeks ago.  I have headaches, foot and leg pain, urine odor (but definitely not sweet smelling – more foul, and has been for months), and vision changes (though could be partly from the headaches or vice versa). My fasting plasma glucose has always been ok (91 just one week ago). I spot check with a meter and my pre-meal glucose is like 87. 2 hours after beginning of meal, I see numbers like 87 – 108, or as high as 118 sometimes.

My Doc dipped my urine and found no sugar abnormalities.  She said that even though this doesn't look like Diabetes, that some people are insulin resistant, where the insulin effectively brings the blood glucose down to normal levels (hence the normal test numbers), but the level is not normal at the cellular level. She said the way to check this is to test C Peptide.


Looking on-line, I see other factors considered are trigs > 150 (mine usually are), HDL < 40 (mine is usually not much higher than that).


My questions are:


1. If any of you have experience with Insulin Resistance, do you think there is merit to consider this further?  What factors led to your diagnosis?


2. Is it typical for symptoms like this, even though my numbers look good? If the sugar is ok, but there is still a problem, aren't such symptoms from excess sugar in the blood? I don't know if I need to be looking elsewhere or what?


3. Is there a definitive, but simple test, such as C Peptide?  I'm self-pay at this point, so I don't mind a simple test I can order on-line, but prefer nothing involved (or expensive).

Thanks in advance.


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Regular Member

Date Joined Dec 2006
Total Posts : 406
   Posted 6/25/2007 1:40 PM (GMT -7)   
Hi ...

I am insulin resistant (as are many Type 2s) but my bs levels are still elevated when i don't eat correctly. I think if I were you I'd go ahead and have that C Peptide test done. It's cost will be well worth your peace of mind ... and if you are a diabetic it will allow you to get on with your health care program.

Good luck to you!!!
Cheers -


age 52/Type 2 diabetic/"controlled" by diet and exercise

Veteran Member

Date Joined May 2006
Total Posts : 547
   Posted 6/25/2007 6:18 PM (GMT -7)   
Hi there,

I ditto 4sons. You seem to have some concerns that may be best checked out with some simple tests a doc can order. That's the route I'd go :-) Good luck!
- 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

Regular Member

Date Joined Jun 2007
Total Posts : 20
   Posted 6/26/2007 5:06 PM (GMT -7)   

Thanks for you comments...


My D.O. cued me in to the C Peptide test.  Now I'm reading though, that it isn't necessarily definitive.   Anyone know much about that one?


And wouldn't Insulin Resistance do something to my glucose numbers, anything?  Mine are always right in line, no matter what I eat.

Dx Hypothyroid 5/2003 (Levoxyl, Armour)
Suspect Lyme 6/2007 (Doxy):
  Many of the symptoms
  IGM Negative
  3 Lyme-specific blot bands - Indeterminate

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