Linda,
Thyroid function affects metabolism rate, of course, so a good way to monitor thyroid effect is to monitor your mid-afternoon temperature. (It should peak about mid-afternoon). If you are hyperthyroid, your temp should be elevated at that point in the day. Of course, it may be elevated at any time of the day, but most people have lower temps early in the day, and increasing temps as the day wears on.
http://www.drrind.com/therapies/metabol ... ture-graph
With hypothyroidism, of course, the opposite effect is present. For example, I just measured my temp, and found it to be 97.5 degrees, suggesting that I need to double my dose of Armour, (which I've been suspecting, but forgot about - my temp was 96.4 to 97.1 degrees when I was in the hospital a couple of weeks ago, but they checked it early in the morning, of course - it was 96.4 at 2 am, and 97.1 at 7:30 am).
The proper way to monitor the use of Armour, for example, is to slowly increase the dose, (on about a two-week basis), while checking your mid-afternoon temperature.
http://www.larryspharmacies.com/pdf/thyroid.pdf
Tex
P. S. Come to think of it, the same thing happened when I was in the hospital recovering from the surgery. My temp was in that same range, after it settled down. When I asked about that, of course, they weren't concerned, since temperatures vary, among individuals.
That's true, of course, but there's a reason for everything, and the main reason for low temps, is hypothyroidism. At the time, I was just thrilled that I didn't have any infections, so I forgot about it.
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That's a whole 'nother ball game. Of course, the rest of your post suggests that my assumption was correct, and the "hyperthyroid" dx was a typo. 
