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Thyroid Hormone Deficiency (Hypothyroidism)

Deficiency of thyroid hormone causes a syndrome of decreased energy, weight gain, cold intolerance, dry skin, constipation, mood changes and decreased cognitive capability.

Other symptoms may include:

  • Hair loss
  • Menstrual irregularities
  • Erectile dysfunction
  • Infertility.

This constellation of symptoms is very uncomfortable and it is sometimes the symptom complex that drives pituitary patients to seek medical attention. Replacement therapy consists of levothyroxine, which is an oral tablet taken once daily on an empty stomach. A variety brands are available (i.e., Synthroid, Levoxyl, Levothroid, etc.). Blood levels of thyroid hormones are then periodically measured and the dose of levothyroxine is adjusted to maintain normal levels.






Last Revised : August, 2008

Disclaimer: PNA does not engage in the practice of medicine. It is not a medical authority, nor does it claim to have medical knowledge. In all cases, PNA recommends that you consult your own physician regarding any course of treatment or medication.


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Pituitary Patient Resource Guide

The Pituitary Patient Resource Guide is the ONLY publication of its kind available to patients, their families, primary care physicians, insurance companies, and employers.
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The Pituitary Patient Resource Guide now available on CD.

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