Thyroid Disease (cont.)

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What signs and symptoms can occur if thyroid function is affected?

If the thyroid is under-active, symptoms of hypothyroidism may occur. The signs and symptoms of hypothyroidism vary widely, depending on the severity of hormone deficiency. Some of the complaints experienced by patient's with hypothyroidism include:

Hyperthyroidism is suggested by a number of signs and symptoms. Patients with mild disease usually experience no symptoms. In patients older than 70 years of age, the classical manifestations may also be absent. In general, the symptoms become more obvious as the condition worsens. The symptoms are usually related to an increase in body metabolism. Common symptoms are listed below:

  • Excessive sweating

  • Heat intolerance

  • Increased bowel movements

  • Tremor (usually a fine shake)

  • Nervousness; agitation

  • Rapid heart rate

  • Weight loss

  • Fatigue

  • Decreased concentration

  • Irregular and scant menstrual flow

In older patients, irregular heart rhythms and heart failure can occur. In its most severe form, untreated hyperthyroidism may result in "thyroid storm," a condition involving high blood pressure, fever, and heart failure. Mental changes such as confusion and delirium may also occur. In Graves' disease, there may be eye changes and skin changes in addition to the other findings listed above.


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