Liothyronine sodium
from class: Pharmacology for Nurses Definition Liothyronine sodium is a synthetic form of the thyroid hormone triiodothyronine (T3) used to treat hypothyroidism. It is more potent and faster-acting than levothyroxine.
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Predict what's on your test 5 Must Know Facts For Your Next Test Liothyronine sodium is typically prescribed for patients who do not respond adequately to levothyroxine. It mimics the natural T3 hormone produced by the thyroid gland, affecting metabolism and energy levels. The drug has a rapid onset of action, usually within a few hours after oral administration. Common side effects include symptoms of hyperthyroidism, such as palpitations, anxiety, and weight loss. Monitoring of thyroid function tests (TFTs) is essential during treatment to avoid over- or under-replacement. Review Questions What is the primary use of liothyronine sodium in clinical practice? How does liothyronine sodium differ from levothyroxine in terms of potency and onset of action? What are some common side effects associated with liothyronine sodium?
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