Table 1 Thyroid hormone concentrations following administration of various combinations of massive doses of levothyroxine and triiodothyronine in order to “overcome” presumed malabsorption of levothyroxine
Thyroid function tests (07.2017) | |||||
|---|---|---|---|---|---|
Date | Time | TSH [μIU/ml] [Ref. Range 0.4–4.0] | FT4 [pmol/l] [Ref. Range 11.5–22.7] | FT3 [pmol/l] [Ref. Range 2.76–6.45] | Daily dose p.o. |
Day 1 | 10:00 | > 75 | 4.12 | 3.06 | LT4 1700 μg and T3 40 μg |
18:00 | nm* | 3.99 | 3.16 | ||
2:00 | nm | 4.83 | 2.95 | ||
Day 2 | 10:00 | nm | 4.67 | 3.27 | LT4 1700 μg and T3 40 μg |
18:00 | nm | 4.35 | 3.24 | ||
2:00 | nm | 4.59 | 3.01 | ||
Day 3 | 18:00 | nm | 4.92 | 2.93 | LT4 2200 μg and T3 40 μg |
2:00 | nm | 4.38 | 2.87 | ||
Day 4 | 8:00 | nm | 6.38 | 2.86 | LT4 3200 μg and T3 40 μg |
18:00 | nm | 5.73 | 3.29 | ||
2:00 | nm | 5.78 | 3.55 | ||
Day 5 | 8:00 | nm | 5.96 | 2.93 | LT4 3200 μg and T3 40 μg |
Day 6 | 8:00 | nm | 6.64 | 3.9 | LT4 3200 μg and T3 40 μg |
Day 7 | 8:00 | nm | 6.96 | 3.62 | LT4 3200 μg and T3 40 μg |
Day 15 | 8:00 | nm | 6.62 | 3.81 | LT4 1700 μg and T3 40 μg |
Day 24 | 8:00 | > 75 | 5.53 | 4.19 | LT4 3000 μg |