Overactive Thyroid
An overactive thyroid, also known as hyperthyroidism, is where the thyroid gland produces too much of the thyroid hormones.
The thyroid is found at the front of the neck. It produces hormones that affect things such as your heart rate and body temperature.
Extra levels ofthesehormones can cause unpleasant and potentially serious problems thatmay require treatment.
An overactive thyroidcan affect anyone, but it's about 10 times more common in women than men and it typically startsbetween 20 and 40 years of age.
This page covers:
An overactive thyroid can cause a wide range of symptoms, including:
You'll normally see an endocrinologist (specialist in hormone conditions) to discuss which is best for you.
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There are a number of reasons why the thyroid can become overactive.
These include:
About three in every four cases arebecause ofGraves' disease.
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An overactive thyroid, particularly if it's not treated or well controlled, can sometimes lead to further problems.
These include:
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Find out about an overactive thyroid (hyperthyroidism), including what the symptoms are, why it happens and how it's treated.
Find out about the main symptoms of an overactive thyroid (hyperthyroidism) and when to get medical advice.
Find out about the main causes of an overactive thyroid (hyperthyroidism), such as a condition called Graves' disease.
Find out about the main tests used to diagnose an overactive thyroid (hyperthyroidism), including a thyroid function blood test.
Find out about the main treatments for an overactive thyroid (hyperthyroidism), including medication and surgery.
Find out about the complications that can occur as a result of an overactive thyroid (hyperthyroidism), including eye problems and pregnancy problems.