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.”

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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.

March 27, 2023 - With hypothyroidism, the lack of thyroid hormones can slow down some bodily functions, which can cause: ... With hyperthyroidism, the overproduction of thyroid hormones can speed up bodily functions.

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.

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

Thyroid hormones affect a person's physical energy, temperature, weight, and mood. Source: Centers for Disease Control and Prevention ... Hypothyroidism can be a complicated disease on its own and require daily medication in most cases and surgery in more...

September 11, 2025 - This is because hyperthyroidism speeds up your metabolic rate, causing your body to use more calories for energy than usual. Hypothyroidism (underactive thyroid) slows down your metabolism, which may lead to weight gain.

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.

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...

But in severe cases, we may suggest radioactive iodine treatments to shrink an inflamed thyroid and decrease production of thyroxine. Hypothyroidism is the opposite of hyperthyroidism, as it results in an underactive thyroid.

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.

December 19, 2022 - Hyperthyroidism (“hyper,” meaning “more”) is when there is too much thyroid hormone in the body. Hypothyroidism (“hypo,” meaning “less”) is when there is not enough thyroid hormone in the body.

November 23, 2021 - Hypothyroidism causes symptoms like slowed metabolism, fatigue and weight gain. Having an underactive thyroid can decrease or slow down your bodily functions. You might experience depression more commonly than anxiety. ... The most common difference between the two diseases relates to hormone levels...

September 17, 2025 - The key difference between these conditions lies in hormone production. Hypothyroidism happens when the thyroid doesn’t produce enough hormones. Metabolism slows, leading to fatigue and weight gain.1Jansen HI, Boelen A, Heijboer AC, Bruinstroop ...

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....