When the thyroid does not produce sufficient thyroid hormonal agent, hypothyroidism (low thyroid) is a hormone imbalance caused. Exactly what are the Symptoms of Hypothyroid? If everyone is using short sleeves and you are wearing a jacket, you most likely have a hypothyroid issue. Still other symptoms are deep sluggish speech, loss of hair, cold hands and feet, constipation, pale thick skin, breakable nails, and swelling of the face and eyelids. The best ways to Know for Sure? You can ask your doctor to perform a thyroid test and/or carry out the following easy self-test in your home: