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August 6, 2024 - Hyperthyroidism, on the other hand, is a condition characterised by an overactive thyroid gland, resulting in an excessive production of thyroid hormones. This increased hormone production can accelerate the body’s metabolism, leading to weight ...

March 10, 2025 - For some, their thyroid hits the brakes, causing a sluggish state known as hypothyroidism. For others, it hits the gas pedal, leading to overdrive known as hyperthyroidism. While both conditions are linked to the thyroid, they’re quite different in how they affect your body and how they’re treated.

December 19, 2022 - Hyperthyroidism and hypothyroidism are both disorders of the thyroid gland. In one condition the thyroid gland is overactive and in the other it's underactive.

February 10, 2024 - They feel warmer than usual, more anxious than usual, their bowels may be looser and more frequent, they may lose weight a little bit more easily.” · “But it can be really easy to out-eat the increase in metabolism that comes with hyperthyroidism,” cautions Dr. Smooke Praw. “So not everybody with a hyperactive thyroid loses weight.” · “Much like with hypothyroidism, if someone is having symptoms that they think could be consistent with hyperthyroidism, they should be seen by their doctor and have their thyroid levels checked.”

June 22, 2021 - Hyperthyroidism is an overactive thyroid gland that produces too much thyroid hormone, while hypothyroidism is an underactive thyroid gland that produces too little thyroid hormone.

Hypothyroidism is the opposite of hyperthyroidism, as it results in an underactive thyroid.

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An overactive thyroid produces more hormones than your body needs, leading to hyperthyroidism. Both conditions affect how your cells use energy, which can create a wide range of symptoms. A Standard Thyroid Test screens for thyroid health conditions. In hypothyroidism, the thyroid gland doesn't make enough hormones, which slows down your metabolism leading to symptoms like fatigue, feeling cold, constipation, depression and hair loss.

Here, you'll discover the common thyroid symptoms that may indicate a thyroid disorder, their main causes, treatment options for each thyroid disease, and more. While both these conditions are related to your thyroid function, they each produce different symptoms in your body (although there are some overlapping symptoms between the two conditions). Let's start by taking a look at how hypothyroidism vs. hyperthyroidism are different.

January 27, 2023 - Hyperthyroidism is when you have an overactive thyroid, or when it generates excessive amounts of thyroid hormone. Hypothyroidism, on the other hand, is when the thyroid is underactive, so it does not produce enough hormones the body needs.

With hypothyroidism, chemical functions ... in the body slows down. ... Hyperthyroidism occurs when the thyroid produces too much thyroid hormone, which causes the body to use energy faster than it should....

October 6, 2022 - So when something goes awry that leads to overactive thyroid or underactive thyroid, your metabolism either revs up too high or slows way down, respectively. These two conditions — hyperthyroidism and hypothyroidism — affect the thyroid in different ways and therefore have distinct symptoms. “The major difference between hypothyroidism and hyperthyroidism is the thyroid’s hormone output,” says Minisha A.

January 23, 2024 - Other causes include thyroid nodules or inflammation of the thyroid gland. Symptoms of hyperthyroidism can include: ... Difficulty sleeping. In contrast, hypothyroidism happens when the thyroid gland is underactive and doesn’t produce enough thyroid hormone.

Table 1, Symptoms and signs of overt thyroid dysfunction - Screening and Treatment of Subclinical Hypothyroidism or Hyperthyroidism

It is believed that these conversions are associated with three factors: TS Ab in blood, TSB Ab in blood, and the response of the thyroid gland to TS Ab [5]. Graves’ hyperthyroidism is caused by TS Ab and hypothyroidism is caused by TSB Ab [6]. The switch between the TS Ab and TSB Ab is more commonly seen in women [7]. It was also seen in some studies that initially hypothyroid patients with TSB Ab treated with levothyroxine switched to TS Ab and hyperthyroidism [4,8]. These conversions are also seen with anti-thyroid drug use and normal physiological changes in pregnancy.

September 17, 2025 - Metabolism slows, leading to fatigue ... 6;14:1130661. https://doi.org/10.3389/fendo.2023.1130661 · Hyperthyroidism occurs when the thyroid produces too much hormone....