Chemical formula: C₁₅H₁₁I₃NaNO₄ Molecular mass: 650.974 g/mol PubChem compound: 5920
Liothyronine sodium is a naturally occurring thyroid hormone.
The biological action of liothyronine sodium is quantitatively similar to that of levothyroxine sodium, but the effects develop in a few hours and disappear within 24 to 48 hours of stopping treatment.
Liothyronine sodium is almost completely absorbed from the gastro-intestinal tract.
It is less readily bound to plasma proteins than thyroxine. About 0.5% is in the unbound form.
The half-life of liothyronine in euthroidism is 1 to 2 days. Thyroid hormones do not readily cross the placenta. Minimal amounts are excreted in breast milk.
No additional data.
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