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Hypothyroidism

Hypothyroidism is the disease state caused by insufficient production of thyroid hormone by the thyroid gland. There are several distinct causes for chronic hypothyroidism, the most common being Hashimoto's thyroiditis and hypothyroidism following radioiodine therapy for hyperthyroidism. more...

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The severity of hypothyroidism varies widely. Patients are classified as "subclinical hypothyroid" if diagnostic findings show thyroid hormone abnormalities, but they do not exhibit any symptoms. Others have moderate symptoms that can be mistaken for other diseases and states. Advanced hypothyroidism may cause severe complications, the most serious one of which is myxedema.

Signs and symptoms

Adults

  • Slowed speech and a hoarse, breaking voice
  • Impaired memory
  • Increased sensitivity to heat and cold
  • A slow heart rate and sluggish reflexes
  • Dry puffy skin, especially on the face, and hair loss, especially thinning of the outer 1/3 of the eyebrows
  • Depression (especially in the elderly)
  • Weight gain and obesity
  • Anemia
  • Slowed metabolism
  • Constipation
  • Fatigue
  • Choking sensation or difficulty swallowing
  • Shortness of breath
  • Increased need for sleep
  • Muscle cramps and joint pain
  • Decreased sex drive
  • Brittle fingernails
  • Paleness
  • Irritability
  • Abnormal menstrual cycles
  • Thin, fragile or absent cuticles
  • Infertility or difficulty becoming pregnant
  • Elevated serum cholesterol

Children

Very Early Infancy

  • Feeding problems
  • Constipation
  • Hoarseness
  • Excessive sleepiness

Later Infancy/Toddlerhood

  • Protruding abdomen
  • Rough, dry skin
  • Delayed teething

After Toddlerhood

  • Lack of normal growth
  • Abnormally short for age on height/weight charts
  • Puffy, bloated appearance
  • Below-normal intelligence for age

Causes

Neonatal hypothyroidism

Thyroid hormone is very important to neural development in the neonatal period. A deficiency of thyroid hormones can lead to cretinism. For this reason it is important to detect and treat thyroid deficiency early. In Australia, the Netherlands, and many other countries this is done by testing for TSH on the routine neonatal heel pricks performed by law on all newborn babies.

Hashimoto's thyroiditis

Sometimes called Hashimoto's Disease, this is part of the spectrum of autoimmune diseases and is related to Graves' disease, lymphocytic thyroiditis, and other organ-related autoimmune conditions such as Addison's disease, diabetes, premature menopause and vitiligo. Hashimoto's is a lymphocytic and plasmacytic thyroid inflammation that eventually destroys the thyroid. Patients require permanent thyroid hormone replacement.

Read more at Wikipedia.org


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Thyroid disorders sourcebook; basic consumer health information about disorders of the thyroid and parathyroid glands, including hypothyroidism, hyperthroidims,
From SciTech Book News, 9/1/05

Thyroid disorders sourcebook; basic consumer health information about disorders of the thyroid and parathyroid glands, including hypothyroidism, hyperthroidims, graves diesase...

Ed. by Joyce Brennfleck Shannon.

Omnigraphics, Inc.

2005

599 pages

$78.00

Hardcover

Health reference series

RC655

Written in a question and answer format for the layreader, this text provides basic consumer health information about the thyroid, thyroid disorders, and their treatment. Fifty-nine chapters are grouped into sections discussing thyroid functions and other basic information, thyroid disorder symptoms and risk factors, thyroid tests, underactive thyroid gland disorders, overactive thyroid gland disorders, parathyroid gland disorders, thyroid and parathyroid cancer, thyroid and parathyroid disorder treatments, and thyroid disorder effects on other body systems. Also included are a glossary of thyroid terms and a directory of organization for thyroid information.

([c] 2005 Book News, Inc., Portland, OR)

COPYRIGHT 2005 Book News, Inc.
COPYRIGHT 2005 Gale Group

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