Summary

• The thyroid is a gland in your neck that helps control many of your body's most important functions.
• If your thyroid becomes overactive (hyperthyroidism) or underactive (hypothyroidism), you can experience a range of health problems.
• Once diagnosed, most thyroid problems can usually be treated effectively.

These key facts are from healthdirect.gov.au (accessed 29 Jan 2025). Visit the healthdirect website for more information about thyroid diseases.

Relevant Tests

If your doctor suspects you have a thyroid disease, they may request one or more tests.

If you are diagnosed with a thyroid disease, some of these tests will be used to monitor and manage your condition.

Find information about specific tests:

• Thyroid function tests
• Thyroid antibodies