2024年1月4日 · A low thyroid stimulating hormone (TSH) level can indicate hyperthyroidism, an overactive thyroid. Learn more about the symptoms of low TSH, what causes it, and how it's treated.

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9月9日 · Low TSH levels can generally manifest as four types of thyroid conditions: Primary hyperthyroidism occurs when you have high thyroid hormone levels and low TSH levels. Mild hyperthyroidism is a thyroid condition that results in a low TSH level and normal thyroid hormone levels.

2024年10月9日 · Normal thyroid-stimulating hormone (TSH) levels generally fall between 0.4 and 4.5 milliunits per liter (mU/L). TSH levels higher than 4.5 mU/L usually indicate an underactive thyroid (hypothyroidism), and low TSH levels—below 0.4 mU/L—indicate an overactive thyroid (hyperthyroidism).

2018年5月25日 · Learn how low levels of TSH affect the thyroid hormones triiodothyronine (T3) and thyroxine (T4), including the causes of low levels of TSH and how you can spot symptoms of hyperthyroidism.

2023年12月22日 · Most of the time, low TSH levels indicate hyperthyroidism. This is also known as an overactive thyroid. Much more rarely, low TSH can be due to a problem with the pituitary gland.

2023年8月24日 · Low TSH is an uncommon health condition that can affect anyone, regardless of age, sex, race, or ethnicity. Early signs of low TSH include high energy, restlessness, mood changes, and nervousness.

2025年3月9日 · Low TSH can indicate a state of hyperthyroidism or hypothyroidism depending on certain variables. Learn more about how to differentiate these conditions.

2025年2月8日 · It’s possible to have a low TSH and have either the symptoms of hypothyroidism or hyperthyroidism, all depending on the underlying cause. With that in mind, below you will find a list of the most common conditions that may result in a suppressed or low TSH.

Low TSH levels typically indicate that the thyroid gland is overactive, a condition known as hyperthyroidism. This can result in excessive production of thyroid hormones, leading to symptoms such as weight loss, increased heart rate, and anxiety.