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1991 Views 10 Replies 5 Participants Last post by  rubyfox462
A little about myself.....my last A1C in June was 5.7 with an FBS of 109. That was the first time my A1C had been in prediabetic range, though my FBS has dipped in and out over the years. My doctor didn't want me to worry too much as I was only .1 in prediabetes range. He told me the standard stuff, watch diet, exercise, lose a bit of weight. I had started exercising prior to June, actually, so I've been exercising consistently for more than a year but upped the intensity and have, since June, been making changes to my diet to include, most days, a pretty large reduction in carbs and sugar from what I used to consume. This does not mean I gave up the sugar/carbs, just that I reduced them. I lost an additional 12 lbs and really don't need to lose any more than that.

A few months ago, on my own, I purchased a glucose monitor so that I could start testing my FBS daily and that helped me to reduce my sugar/carb intake even more, the monitor sort of spurring me on to see what kind of FBS' I could get by eating differently.

Anyway, then the holidays came and I had some days where I just ate whatever I wanted. And this is what has led me to this forum. It's left me confused. Some of these indulgences seem to have resulted in days long, high FBS readings. I have searched and searched the internet about this and most everything I have read is from some medical journal that says that blood sugar will lower 12-24 hours after eating high carb meals. This is not my experience (and I am not checking sugar before/after all meals, just once in the morning upon waking) and it's kind of freaking me out wondering if, despite all the work I've done, I'm now in diabetic territory. I did not indulge and then just keep indulging for a week or two or the entire month. I had a day where I ate what I wanted, even exercised vigorously, drank a bunch of water that same day - all the things they tell you to do when you have a bad day or meal - and then the next day I got right back on the wagon, low carb/sugar, exercise, water. So, to have high FBS in the 125-130 range for the next few days seems odd. I'm starting to wonder if some of the advice I've seen - like going for a walk after eating a high carb meal to reduce FBS - does anything for me. I didn't just walk...I did an hour of pretty sweaty cycling immediately afterwards, then the next day ate very cleanly, continued my exercise regimen and two days later my FBS is still high.

Sorry for the long story but I wanted to give a clear idea of where I am at and what I have tried. Understanding, after doing all the reading I've done on this subject that nothing about diabetes is "normal" and that it is a confusing and unpredictable disease, do others of you experience this?
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Hi, Rigby! Welcome to the site! I'm glad you're here.

I've seen studies from about 2-3 years or so that trace the biological path of "cheat days" for people on very-low-carb eating plans. Here's one: Just one plate of fries on the keto diet can damage your blood vessels . The language in the article is a little alarmist; the study results are the interesting part.

It is very common for us here to notice the effects of excess even a couple of days after the event, depending on the size of the "infraction" and other elements, like time of day, activity levels, medications being taken, etc. There also is Dawn Phenomenon -- something that affects each diabetic differently -- and if you're testing just in the morning, you may be seeing this effect as well.

The proof will be in your next A1c, which will measure blood glucose averages over the preceding three months. You seem to be on the right track in managing your metabolic syndrome. You might choose to use what you've learned about your body's response to guide cheat meals and cheat days. This is a lifelong condition, though, and many people find an unyielding approach to eating difficult to maintain. Food in our culture is far more than just fuel.

Rigby, I hope you stick around here and read what interests you and feel free to post other questions you have.
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Rigby, I'm not etherea but I can tell you that my Fasting Blood Glucose (FBG) typically is my highest reading of the day unless I have a meal with (what is for me these days) a lot of carbs. I'm sure etherea will relate her experience, too.
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Rigby, many times you will see the advice to not be concerned so much about the individual numbers as you should about the trend they (may) represent. As you've seen, individual tests are affected by many factors. Over time, however, the minor factors (small blood sample, questionable strip, not feeling quite right when you tested) should minimize. A FBG of 110 one morning, 132 the next, and 107 the day after is "fine". Noticing that you typically ran 110 or so in the morning and now have run 140 for most of the last 12-14 days should be a cause for more exploration. This may make it a little easier to manage the many factors that affect individual numbers.
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