Hypothyroidism

Hypothyroidism

Hypothyroidism is the disease state in humans and in animals caused by insufficient production of thyroid hormone by the thyroid gland.

Causes

  • Iodine Deficiency
  • Diseases such as Hashimoto thyroiditis
  • Lack of thyroid gland
  • Deficiency of hormones from the brain

Symptoms

  • Early Symptoms
    • Poor muscle tone
    • Fatigue
    • Cold intolerance, increased sensitivity to cold
    • Depression
    • Muscle cramps and joint pain
    • Goiter
    • Thin, brittle fingernails
    • Thin, brittle hair
    • Paleness
    • Decreased sweating
    • Dry, itchy skin
    • Weight gain
    • Bradycardia (low heart rate – less than sixty beats per minute)
    • Constipation
  • Late Symptoms
    • Slow speech and a hoarse breaking voice – deepening of the voice can also be noticed
    • Dry puffy skin, especially on the face
    • Thinning of the outer third of the eyebrows (sign of Hertoghe)
    • Abnormal menstrual cycles
    • Low basal body temperature

Treatment

  • Hypothyroidism is treated with thyroid hormones (L-T4) and (L-T3) available in the form of tablets.
  • Thyroid hormone is taken daily, and doctors can monitor blood levels to help assure proper dosing.

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