2025年2月11日 · A high TSH level indicates low thyroid hormones in the body, while low TSH indicates elevated thyroid levels. High TSH symptoms are associated with a slowed metabolism and may include cold intolerance, slower heart rate, constipation, thinning hair , and depression .

2022年7月25日 · Thyroid-stimulating hormone (TSH) triggers your thyroid to release its hormones, which mainly impact your body’s metabolism. High TSH levels usually indicate hypothyroidism, and low TSH levels usually indicate hyperthyroidism.

2024年10月9日 · A high TSH level—above 4.5 mU/L—indicates an underactive thyroid, also known as hypothyroidism. This means your body is not producing enough thyroid hormone. A high TSH means different things depending on whether a person has known thyroid disease.

2023年12月22日 · High TSH levels indicate that a person has an underactive thyroid, meaning it is not producing enough essential hormones. Symptoms of hypothyroidism include fatigue, weight gain, and...

2023年8月11日 · Early signs of high TSH include fatigue, weight gain, sensitivity to cold, and mood changes. Serious symptoms of high TSH, such as confusion, cognitive problems, low body temperature, slow breathing, slow reflexes, slow heart rate, and coma, may require immediate medical attention.

A high level of TSH and a low level of T4 in the blood could mean you have an underactive thyroid. If your test results show raised TSH but normal T4, you may be at risk of developing an underactive thyroid in the future.

2018年5月28日 · Learn how high levels of TSH affect the thyroid hormones triiodothyronine (T3) and thyroxine (T4), including the causes of elevated levels of TSH and how you can spot symptoms of hypothyroidism.