Liothyronine
Liothyronine
Liothyronine (pronounced: ly-oh-THY-ro-neen) is a type of thyroid hormone medication used to treat hypothyroidism and certain types of goiter. It is also used in the treatment of myxedema coma, a severe form of hypothyroidism.
Etymology
The term "liothyronine" is derived from the Greek words "lio" meaning "lion", and "thyron" meaning "shield", referring to the thyroid gland's shield-like shape. The "-ine" suffix is commonly used in the names of drugs.
Usage
Liothyronine works by replacing or providing more thyroid hormone, which is normally produced by the thyroid gland. Low thyroid hormone levels can occur naturally or when the thyroid gland is injured by radiation/medications or removed by surgery.
Related Terms
- Thyroid hormone: Hormones produced by the thyroid gland, including liothyronine (T3) and thyroxine (T4).
- Hypothyroidism: A condition in which the thyroid gland does not produce enough thyroid hormones.
- Goiter: An abnormal enlargement of the thyroid gland.
- Myxedema coma: A rare but life-threatening complication of hypothyroidism characterized by poor circulation and hypothermia.
Side Effects
Common side effects of liothyronine include nausea, headache, hair loss, sweating, and irregular menstrual cycles. More serious side effects may include chest pain, rapid or irregular heartbeat, swelling hands/ankles/feet, mood changes, and seizures.
Precautions
Before taking liothyronine, patients should inform their healthcare provider if they have any allergies, a history of heart disease, high blood pressure, diabetes, or any other medical conditions.
External links
- Medical encyclopedia article on Liothyronine
- Wikipedia's article - Liothyronine
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