What are the signs and symptoms of hypothyroidism?

Possible effects of hypothyroidism are:

  • slow heart rate (less than 70 beats per minute)
  • elevated blood pressure
  • feeling slow or tired
  • feeling cold
  • drowsy during the day, even after sleeping all night
  • poor memory
  • difficulty concentrating
  • muscle cramps, numb arms and legs
  • weight gain
  • puffy face, especially under the eyes
  • husky voice
  • thinning hair
  • dry, coarse, flaky, yellowish skin
  • in children, short height
  • constipation
  • heavy menstrual flow
  • milky discharge from the breasts
  • infertility
  • goiter (an abnormal swelling in the neck caused by an enlarged thyroid gland).