Underactive thyroid (hypothyroidism)
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Symptoms of an underactive thyroid include feeling tired all the time, gaining weight and being sensitive to cold.
An underactive thyroid is treated with medicine that raises the level of thyroid hormone in your body.
An underactive thyroid is where your thyroid gland (a small gland in your neck) does not produce enough hormones.
Page last reviewed: 10/05/2021
Next review due: 10/05/2024