Hyperthyroidism
Hyperthyroidism (or thyrotoxicosis) occurs when the thyroid gland is overactive and produces too much thyroid hormone.
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Thyroid problems
If your thyroid becomes overactive (hyperthyroidism) or underactive (hypothyroidism), you may experience a range of health problems — learn more here.
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Thyroid medicines
Thyroid medicines treat thyroid disorders, including hypothyroidism and hyperthyroidism. Read about how they work and their potential side effects.
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Thyroid gland
Your thyroid gland sits in the front of your neck and helps control your metabolism. Read about the different thyroid hormones and thyroid problems.
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Thyroid function tests
A thyroid function blood test is used to check your thyroid stimulating hormone (TSH), thyroxine (T4), and triiodothyronine (T3) blood levels.
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Graves' disease
In this autoimmune condition, the thyroid gland in the neck produces too much thyroid hormone that can cause tremor, anxiety, a racing heart, goitre and bulging eyes.
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Thyroidectomy
A thyroidectomy is the removal of part or all of your thyroid gland. It’s used to treat an enlarged or overactive thyroid gland or thyroid cancer.
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Hypothyroidism
Hypothyroidism (underactive thyroid) is when thyroid gland doesn't make enough thyroid hormone. See symptoms, diagnosis and treatment options here.
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Metabolism
Metabolism refers to all the chemical processes your body uses to produce energy. Find out more about metabolism, what affects it and whether you can boost your metabolism.
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Hormonal system
The endocrine (hormonal) system influences your metabolism, growth and other functions. Learn more about what it is and related conditions.
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