![]() A high TSH level and low thyroxine level could mean that your thyroid is underactive. increased sensitivity to cold temperaturesĭoctors often diagnose hypothyroidism with blood tests and imaging tests.Ī doctor will perform blood tests to measure your TSH and thyroid hormone levels.Too little thyroid hormone production leads to symptoms such as: In the United States, it affects around 4.3 percent of people 12 years old and older. You may be more likely to develop it if you have other health conditions, such as celiac disease, type 1 or 2 diabetes, rheumatoid arthritis, or lupus. medications, including heart medications, cancer medications, and bipolar disorder medications.pituitary gland or hypothalamus disorders.congenital hypothyroidism, meaning that you can be born with the condition.Hypothyroidism is often caused by Hashimoto’s thyroiditis, a surgery that removed your thyroid gland, or damage from radiation treatment. This can cause some of your body’s functions to slow down. Your thyroid gland is underactive and can’t produce enough of its hormones. ![]() Hypothyroidism is the opposite of hyperthyroidism. If you have radioactive iodine treatment or surgery that destroys your thyroid gland, you’ll develop hypothyroidism and need to take thyroid hormone daily. This may return your thyroid levels to typical ones. Surgery can be performed to remove your thyroid gland. But this option isn’t safe for people who are pregnant or breastfeeding. As your thyroid gland takes in iodine, it also pulls in the radioactive iodine, which damages the gland. You can take it as a pill or liquid by mouth. A large dose of radioactive iodine damages your thyroid gland. Antithyroid drugs such as methimazole (Tapazole) can prevent your thyroid from producing its hormones and reduce symptoms. Treatments for hyperthyroidism destroy your thyroid gland or block it from producing its hormones. This low level of radioactivity resolves quickly and isn’t dangerous for most people. Taking in a lot of radioactive iodine is a sign that your thyroid is overactive. Your thyroid takes in iodine to produce its hormones. High thyroxine and low TSH levels can indicate that your thyroid gland is overactive.Ī doctor might also give you radioactive iodine by mouth or as an injection and then measure how much of it your thyroid gland takes up. Your pituitary gland releases TSH to stimulate your thyroid to produce its hormones.
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