Hypothyroidism (low thyroid) is a hormonal agent imbalance triggered when the thyroid does not produce adequate thyroid hormone. What are the Symptoms of Hypothyroid? If everybody is wearing brief sleeves and you are using a jacket, you most likely have a hypothyroid concern. Still other signs are deep slow speech, loss of hair, cold hands and feet, irregularity, pale thick skin, fragile nails, and swelling of the face and eyelids. Ways to Know for Sure? You can ask your doctor to carry out a thyroid test and/or carry out the list below easy self-test in the house: