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June 22, 2021 - It involves conditions that damage the thyroid gland itself (called primary hypothyroidism), the pituitary gland (called secondary hypothyroidism), or a part of the brain that stimulates the pituitary gland called the hypothalamus (called tertiary hypothyroidism). The underproduction of T3 and T4 can also cause symptoms affecting your hair, weight, digestion, heart rate, energy levels, moods, body temperature, and menstrual cycle, often in significantly different ways to hyperthyroidism.

March 10, 2025 - In hyperthyroidism, you have too much thyroid hormone. This revs some things up. You may feel anxious, experience insomnia and get hot, sweaty and flushed. You can lose weight without meaning to and develop heart palpitations.

March 27, 2023 - Hyperthyroidism and hypothyroidism are separate conditions with different symptoms. “Hyper” means the gland produces too much of the thyroid hormones, while “hypo” means it produces too little thyroid hormones.

In this article, we take a closer look at the two main categories of thyroid disease — hyperthyroidism and hypothyroidism — to help you spot the signs and understand the differences. When your thyroid, a small gland situated at the bottom front area of your neck, produces too many hormones, it’s called hyperthyroidism.

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.

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 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.

February 10, 2024 - Iodine Deficiency: Insufficient iodine in the diet can lead to hypothyroidism. Treatment for Hyperthyroidism: Certain treatments for an overactive thyroid (hyperthyroidism) can result in hypothyroidism.

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Hypothyroidism and hyperthyroidism are two distinct conditions. In hyperthyroidism, the body produces too many thyroid hormones, whereas in hypothyroidism, the thyroid gland is underactive and produces too few hormones.

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.

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....

September 11, 2025 - Hypothyroidism is when your thyroid gland doesn’t make and release enough hormone into your bloodstream. The condition slows down your metabolism, which may make you gain weight unexpectedly or feel tired all the time.

When that hormone is too high — ... hypothyroidism or low thyroid levels. And the other end of the spectrum is hyperthyroidism if the hormone level is too high. That's the difference between hypo and hyperthyroidism....

August 6, 2024 - When levels are too low, it can slow down bodily functions, leading to a range of symptoms. ... Hyperthyroidism, on the other hand, is a condition characterised by an overactive thyroid gland, resulting in an excessive production of thyroid hormones.