The 'Poor Man's Thyroid Test'

For those who are wondering why they have all the'pregnancy thermometer' because you need to be
symptoms of hypothyroidism (low thyroid hormone)able to actually read the small increments of
but always test in the 'normal' range, take heart-youtemperature. The standard is the mercury
are not crazy and there may indeed be something notthermometer but you can also use a digital
quite right with your thyroid. First of all, the thyroid teststhermometer if you must but it is not recommended as
used by laboratories are notoriously inaccurate, beingthey can be very inaccurate.
'off by three standard deviations' (pretty much uselessShake down the thermometer so the mercury is all
except in certain cases).the way down and place it safely on the bedside table
Adding to the confusion is the difference between T3to use in the morning. The axillary temperature is the
and rT3 (Triiodothyronine and reverse Triiodothyronine).usual preferred place to take the temperature. Just be
T3 is the active form of thyroid hormone in the bloodsure to place the tip of the thermometer right in the
and is converted from T4, which is produced in muchmiddle of the armpit and hold the arm tight against the
larger amounts than T3. Synthetic T4 is what isbody for 10 minutes. Most doctors will tell you to start
provided in pharmaceutical medicines, which works finetaking the temperature about three hours after you
as long as everything else in the pathway is working.wake up, and then twice more at three hour intervals.
The tricky part comes when T3 is no longer beingThe trick is to make sure the temperature is checked
converted from T4, instead being converted into rT3at the same time and during the same levels of
(reverse triiodothyronine). Think of it like this: reverseactivity every day, for one week. Some of us like to
forms of the natural substances that we need arehave the early morning temperature recorded and
chemical mirror images. They are exactly flipped andaveraged in also.
don't work the same way. Because the chemical 'lock'Take at least three temperature readings daily and
is oriented either right or left and the reversed form isaverage them together, recording that average, for
oriented in the opposite direction, the reversed 'key' justone week. Normal temperatures are low in the
doesn't fit.morning and highest in the late afternoon. There are
For instance, our bodies use D-glucose (dextrose) withplenty of references to the Broda Barnes method of
is a right-rotatory molecule. L-glucose-a left-rotatorythyroid evaluation, where it is suggested that below
molecule--cannot be metabolized. It can taste thenormal is 97.8 degrees Fahrenheit. Dr. Denis Wilson
same, look the same, often have the same properties(Wilson's Temperature Syndrome) suggests that 97.8
(dissolving in water the same, burning the same, etc)degrees is too low for proper metabolic functioning
but it still is not D-glucose. So since the tissues of theand that 98.6 or higher is preferable (which has been
body need T3, and rT3 won't fit the lock, thethe case for my own patients).
symptoms of hypothyroidism occur.If people were running higher temperatures during the
The symptoms of hypothyroidism have been treatedteenage years, that might be one indication that a
by many physicians as indicative of hypothyroidismhigher than 'normal' temperature would be desirable. If
despite 'normal' lab tests. Those symptoms include thesomeone ran 99.6 during healthy teenage and young
following:adult years, and then dropped to 97.8 in middle age,
Fatiguethat could be an indication that driving the temperature
Dry skin/hair/eyesback up into the 98.9 to 99.6 range might be better-for
Constipationthat person.
Weight gainOf course, each person is different and needs to
Hair loss (head and outer part of eyebrows)watch out for heart palpitations and anxiety (good
Cold intoleranceindicators of too much thyroid).
Hormonal problems (men and women)Once the week-long temperature evaluation is done
Most of the time physicians just order a TSH (Thyroidand found to be below normal, one can approach a
Stimulating Hormone) test, which does pick up blatantnaturopathic or holistic doctor to determine the next
changes like the true hypothyroid state of notstep. Or, one could try iodine supplementation, which
producing enough (which causes an elevation in themight take care of the problem all by itself. In any case,
TSH levels) or the hyperthyroid state of extremely lowavoid things that load the system up with bromide,
(producing too much, which causes a drop in the TSHfluoride and chloride. Since too many people are way
levels). The others-more than 80%--of us that areshy of having anything approaching the required dose
producing rT3 get told there is nothing wrong with us,of iodine in the diet, adding some supplementation via
it's all in our heads, and the lab tests are normal. Forshellfish, kelp and other sea vegetables could make a
more on what to do about that, see the other articleshuge difference. For those who hate the very thought
in this series.of tasting iodine-which is admittedly pretty nasty-there
To perform the 'poor man's thyroid test' is easy. Firstare pill forms that can help.
get a thermometer that is easy to read-not a fever© 2010 Dr.
thermometer. You want a 'basal body thermometer' or