Thyroid happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Thyroid may not cause noticeable symptoms in its early stages. Over time, Thyroid that isn't treated can lead to other health problems, such as high cholesterol and heart problems. The symptoms of Thyroid depend on the severity of the condition. Problems tend to develop slowly, often over several years.
Tiredness.
More sensitivity to cold.
Constipation.
Dry skin.
Weight gain.
Puffy face.
Hoarse voice.
Coarse hair and skin.
Muscle weakness.
Muscle aches, tenderness and stiffness.