how to treat thyroid hormone deficiency?

levothyroxine, also known as l-thyroxine, is a manufactured form of the thyroid hormone thyroxine (t4). it is used to treat thyroid hormone deficiency, including the severe form known as myxedema coma. it may also be used to treat and prevent certain types of thyroid tumors. it is not indicated for weight loss. levothyroxine is taken by mouth or given by injection into a vein. maximum effect from a specific dose can take up to six weeks to occur.

side effects from excessive doses include weight loss, trouble tolerating heat, sweating, anxiety, trouble sleeping, tremor, and fast heart rate. use is not recommended in people who have had a recent heart attack. use during pregnancy has been fou

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