What are the signs of underactive thyroid?

Depends: With mild hypothyroidism, there may be no symptoms.As the level of thyroid hormone diminishes, however, you may notice fatigue, weight gain, dry skin and hair.You may also feel cold much of the time.A simple blood test usually confirms the diagnosis.

Many: Fatigue, constipation , dry skin, losing hair, weight gain-usually water weight- are most common but these symptoms could all be due to other causes so see md-get lab evaluation.

Thyroid gland: The thyroid is a endocrine gland that makes thyroid hormone. This hormone in children is necessary for growth and developing. In adults, it regulates metabolism. Low thyroid levels cause fatigue, weight gain, constipation and irregular menses.