Possibly: Subacute thyroiditis can cause evolving changes in thyroid hormone levels. Usually the thyroid antibody tests are positive. If your TSH is staying elevated however, you have hypothyroidism, not subacute thyroiditis. The free T3 (liothyronine) and free T4 can sometimes be normal early in the disease. When i see patients with elevated TSH i treat them with thyroid hormone replacement/supplementation.
Answered 1/15/2015
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Actually, likely: Dequervain's subacute thyroiditis, which i will assume is the diagnosis here, can be a roller-coaster ride of high and low thyroid function, in addition to the discomfort. Happily, the disease self-cures in a few weeks. Unlike the other thyroiditis family members, this usually is antibody-negative.
Answered 9/25/2012
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