Join Date: Feb 2005
Location: Happily making soap!
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The point is to get the T3 and T4 levels stable, that's what's doing the work in your body. The TSH is just how much of that it's taking to stimulate the thyroid to produce enough of the T3 and 4. It's secondary. It's a measure of how hard your pituitary is having to work. The relationship between TSH and the T3 and 4 is also indicative of how well the Thyroid is responding to the TSH.
btw, low TSH is usually better. Means the pituitary isn't having to do so much for the thyroid to be doing enough.
What my endocrinoligist said, the one time I've seen her so far, is that people often don't wait long enough to see if they're stable or not, then change their dosage in response to a number, which makes the swings more pronounced. It takes a good couple of months to see if any given dose is right-to stabilize at that level, or at least a good few weeks.
Armour isn't entirely fast acting. What happens is that T3 is the "fast acting" hormone in that that is the active form, which the liver makes by converting T4 into T3.
So the T3 in the Armour is available immediately, and the T4 is there to be converted as needed.