how does an overactive thyroid cause weight loss?
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Hyperthyroidism (overactive thyroid) occurs when your thyroid gland produces too much of the hormone thyroxine. Hyperthyroidism can accelerate your body's metabolism, causing unintentional weight loss and a rapid or irregular heartbeat.
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The thyroid produces certain hormones that regulate the body's metabolism, so an excess of these hormones often causes the body to burn more energy than usual. Burning more energy and calories can lead to unintentional or unexplained weight loss. Other symptoms of hyperthyroidism include: fatigue.
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You shouldn't take more levothyroxine than your doctor prescribes. If you take too much of the drug, you may develop symptoms of overactive thyroid, including fatigue, sensitivity to heat, increased appetite, and sweating. Symptoms of a levothyroxine overdose may also include: Confusion and disorientation.
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Thyroid disease An overactive thyroid gland (hyperthyroidism) can cause sleep problems. The disorder overstimulates the nervous system, making it hard to fall asleep, and it may cause night sweats, leading to nighttime arousals. Feeling cold and sleepy is a hallmark of an underactive thyroid (hypothyroidism).
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6. You're gaining weight. Weight gain is one of the signs your metabolism might not be working properly. Thyroid hormones are key regulators of metabolism and how bodies use the food we eat, which is why weight gain is one of the early signs of thyroid distress.
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In rare cases, an undiagnosed or poorly controlled overactive thyroid can lead to a serious, life-threatening condition called a thyroid storm. This is a sudden flare-up of symptoms that can be triggered by: an infection. pregnancy.
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An underactive thyroid (hypothyroidism) doesn't produce enough hormone. An overactive thyroid (hyperthyroidism) produces too much hormone. Symptoms may include unintentional weight gain or loss, persistent fatigue, palpitations, and sensitivity to hot or cold temperatures.
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Too much thyroid medication in hypothyroidism can cause health problems and trigger symptoms like the jitters, anxiety, weight loss, diarrhea and mood swings. Your thyroid hormone needs may change over time.
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“Hashimoto's can often be associated with some weight gain — it's mostly salt and water weight, which is why you look puffy,” she says. “However, the weight gain seen with Hashimoto's thyroiditis is usually less dramatic than the weight loss seen with autoimmune hyperthyroidism (Graves disease).”
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This means that your body burns more energy while it's at rest, so weight loss is a common symptom of hyperthyroidism. This also means that not producing enough thyroid hormone is usually associated with a low basal metabolic rate. Therefore, hypothyroidism (underactive thyroid) can cause weight gain.
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An excess of T3 and T4 will make you feel overactive and you may lose weight. If you don't have enough of these hormones, you'll feel sluggish and you may gain weight. Calcitonin helps control blood calcium levels.
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About 3 in every 4 people with an overactive thyroid gland have a condition called Graves' disease. Graves' disease is an autoimmune condition where your immune system mistakenly attacks your thyroid which causes it to become overactive.
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Losing Weight With an Underactive Thyroid. Hypothyroidism slows down your metabolism, making it more difficult to lose extra pounds and maintain a healthy body weight. But weight loss is still possible with hypothyroidism.
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An overactive thyroid can also cause the following physical signs: a swelling in your neck caused by an enlarged thyroid gland (goitre) an irregular and/or unusually fast heart rate (palpitations) twitching or trembling.
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Hyperthyroidism (overactive thyroid) occurs when your thyroid gland produces too much of the hormone thyroxine. Hyperthyroidism can accelerate your body's metabolism, causing unintentional weight loss and a rapid or irregular heartbeat. Several treatments are available for hyperthyroidism.
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While it's not as common as people may think (or hope), thyroid conditions can certainly be a factor in weight gain. Your thyroid controls your metabolism, so when it's working slower than normal (hypothyroidism), it will inevitably lead to weight gain. "Unexplained weight gain is one symptom of this condition," Dr.
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Hyperthyroidism treatment Your body starts making less thyroid hormone than it was before. Some weight gain from treatment is usually fine, especially if you lost a lot of weight before treatment. If you're concerned, talk to your doctor. You may need to readjust your calorie intake as your treatment takes effect.