How is hypothyroidism diagnosed?

Hypothyroidism is typically diagnosed through a combination of symptoms, physical examinations, and blood tests measuring levels of thyroid hormones. Common symptoms include fatigue, weight gain, dry skin, and cold intolerance. A physical exam may reveal a swollen thyroid gland or other signs of thyroid dysfunction. Blood tests measuring levels of thyroid-stimulating hormone (TSH) and thyroxine (T4) can help confirm a diagnosis of hypothyroidism. Additional tests, such as checking levels of antibodies against the thyroid, may be done to determine the underlying cause of the condition.

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