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Hypothyroidism    See images

Overview | Symptoms | Treatment | Prevention

Alternative names:

Myxedema; Adult hypothyroidism

Treatment

The purpose of treatment is to replace the deficient thyroid hormone. Levothyroxine is the most commonly used medication, but others are available. The lowest dose effective in relieving symptoms is used. Life-long therapy isneeded as relapses will occur if therapy is stopped. Medication must be continued even when symptoms subside.

After replacement therapy has begun, report any symptoms of increased thyroid activity (hyperthyroidism) such as restlessness, rapid weight loss, and sweating.


Myxedema coma is treated by intravenous thyroid replacement and steroid therapy. Supportive therapy of oxygen, assisted ventilation, fluid replacement, and intensive-care nursing may be indicated.

Prognosis

With early treatment, return to the normal state is usual. However, relapses will occur if the medication is not continued. Myxedema coma can result in death.

Complications

Myxedema coma, the most severe form of hypothyroidism, is rare. It may be caused by an infection, illness, exposure to cold, or certain medications in an individual with untreated hypothyroidism. Symptoms and signs of myxedema coma include unresponsiveness, decreased breathing, low blood pressure, low blood sugar, and below normal temperature.

Other complications are heart disease, increased risk of infection, infertility, miscarriage in pregnant women, and pituitary tumors.

Call Your Health Care Provider If:

Call your health care provider if signs of hypothyroidism (or myxedema) are present.

Call your health care provider if chest pain or rapid heart beat occur, infection occurs, symptoms worsen or do not improve with treatment, or new symptoms develop.

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