Overactive Thyroid
An overactive thyroid (hyperthyroidism) can cause a wide range of possible symptoms, although it's unlikely you'll experience all of them.
The symptoms may develop gradually or suddenly. For some people they're relatively mild, while for others they can be severe and significantly affect their life.
Symptoms of an overactive thyroid can include:
An overactive thyroid can also cause the following physical signs:
See your GP if you have symptoms of an overactive thyroid. It might be useful to make a list of all your symptoms andshow it toyour GP.
These symptoms can have a number of causes. Buta simple blood test can often help determine whether they're caused by a problem with your thyroid.
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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.