How long do blood sugars stay elevated after eating?

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Regular Member

Date Joined Aug 2006
Total Posts : 191
   Posted 3/14/2008 9:13 PM (GMT -7)   
I am not diagnosed with diabetes at this time but may be soon.  I currently have Hashimoto's disease (thyroid) and am waiting for surgery to remove a large tumor from my thyroid.  Also, I have adrenal tumors which the endo. is running tests on to see if I have cushing's or a pheochromocytoma.  I know if the adrenal's are a problem you can get problems with your blood sugars.  I don't know if there is a thyroid connection.  Anyway, my blood sugars have always been normal up to the past month when I noticed nonfasting glucose readings were rising each time.  This past month, I have had numerous occassions to have my blood tested due to my other health conditions.  The last one was 210.  When I saw this, I decided to use a glucometer to measure my blood sugars.  I happened to already have one because my son had to check his last fall because of some elevated numbers due to prednisone use.  It turned out that he was problems so we put it away.  So...I started checking mine a few days ago.  I am finding fasting numbers in the 140's.  My nonfasting, 2 hours after eating, have ranged from 180 to 320.  The other thing I am noticing is that my 3 hours after eating numbers are just a few points less than my 2 hour readings and sometimes higher.  I even took a 5 hour reading yesterday and found it just a few points lower than the 3 hour reading.  To me this seems like they are staying elevated really a long time.  My husband is diabetic and his drop pretty significantly after 2 hours (but he is also on meds).  I brought my high numbers up to my doctor, and she is not ready to diagnose diabetes because she thinks that my problems may be due to other endocrine issues.
So, this brings me to my questions:
1.  Is it unusual for blood sugar levels to stay so high for so long after eating?
2.  Can diabetes come on so suddenly without numbers creeping up prior to the last month or so?
3.  The odd thing is is that I can have higher readings with fewer carbs and more proteins than with more carbs and less protein.  However, I have only been checking a few days and maybe it just seems like that now.  Does this ever happen to any of you?
Any insight, comments and or answers would be appreciated.  Thank you... 

Veteran Member

Date Joined Apr 2004
Total Posts : 6056
   Posted 3/15/2008 6:44 AM (GMT -7)   
Right now I would side with your doctor and wait until after the surgery to sort this out. You have lots going on here and we can offer support but not much in the way of help. You have sort of an individualized situation, and yes, your sugars are high but if the surgery is soon, let's take a breather until then. Wish I could help more...
~ Jeannie, Forum Moderator/Diabetes & Fibromyalgia
I know God will not give me anything I can't handle. I just wish that He didn't trust me so much. ~Mother Teresa

"People are like stained glass windows: They sparkle and shine when the sun's out, but when the darkness sets in, their true beauty is revealed only if there is light within."- Elizabeth Kubler-Ross

Regular Member

Date Joined Aug 2006
Total Posts : 477
   Posted 3/16/2008 2:02 PM (GMT -7)   

I find that if I eat strictly low carb, my numbers are higher than if I eat moderately low carb. Too much protein makes my numbers rise also. I had to test a lot to determine my ideal protein/carb ratio, but one I did everything settled down.

Jeannie has given you the best advice- kept in touch with your doctor, until your other health issues are resolved.

Good luck


I just want to live happily ever after-every now and then. Jimmy Buffett

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