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. Symptoms and signs of myxedema coma include:
- Unresponsiveness
- Decreased breathing
- Low blood pressure
- Low blood sugar
- Below-normal temperature
Other complications include:
Calling your health care provider
Call your health care provider if signs or symptoms of hypothyroidism or myxedema are present
Call your health care provider if restlessness, rapid weight loss, heat intolerance, rapid heart rate, excessive sweating, or symptoms of hyperthyroidism occur after beginning thyroid replacement.
Prevention
Primary hypothyroidism is preventable by supplemental iodine in areas where iodine in the food supply is low. Otherwise, the condition is not preventable. Awareness of risk may allow early diagnosis and treatment. Some experts advocate screening TSH testing in certain high risk groups (e.g., women older than 50 years).
References
AACE Thyroid Task Force. American Association of Clinical Endocrinologists Medical Guidelines for Clinical Practice for the Evaluation and Treatment Of Hyperthyroidism and Hypothyroidism. Endocr Pract. 2002;8 (6).
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