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Myxedema Coma

Medically reviewed by Drugs.com. Last updated on Apr 2, 2024.

What is myxedema coma?

Myxedema coma is a severe form of hypothyroidism (low thyroid function). Myxedema coma occurs when thyroid hormone levels are not treated or controlled. Thyroid hormones help control body temperature, heart rate, growth, and weight. Myxedema coma can be triggered by not taking medicine to treat hypothyroidism. It may also be triggered by an infection, medicine, or a sudden stressful event, such as trauma or surgery.

Thyroid and Parathyroid Glands

What are the signs and symptoms of myxedema coma?

The person will have signs and symptoms of hypothyroidism, such as fatigue, weight gain, constipation, and feeling cold all the time. He or she may also have any of the following:

How is myxedema coma diagnosed?

Healthcare providers will check the person's reflexes and alertness. They will also do blood or urine tests to check for hormone levels, signs of infection, and to get information about the person's overall health. Other tests may be needed to check the person's heart and lungs and to find the trigger of the myxedema coma.

How is myxedema coma treated?

Healthcare providers will give the person medicine to increase thyroid hormone levels. Medicine may be given to decrease seizures. Healthcare providers will also treat the condition that triggered the myxedema coma. The person may also need extra blankets for warmth, a machine to help with breathing, or an IV for nutrition.

Treatment options

The following list of medications are related to or used in the treatment of this condition.

View more treatment options

When should I contact the person's healthcare provider?

When should I seek immediate care or call 911?

Care Agreement

You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment. The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

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Treatment options

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.