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Thyroid Storm

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Topic Overview

Thyroid storm (thyroid crisis) is a potentially life-threatening condition for people who have hyperthyroidism. Thyroid storm happens when your thyroid gland suddenly releases large amounts of thyroid hormone in a short period of time. If you have thyroid storm, you will need emergency medical treatment.

Thyroid storm is more likely to develop when a person has a serious health problem in addition to hyperthyroidism or in people who have untreated or undertreated Graves' disease. The problem usually happens after a stressful event or a serious illness, such as a major infection. It may also be triggered by surgery or by using iodine for a CT scan or in radioactive iodine therapy.

Recommended Related to Thyroid Disorders

Understanding Thyroid Problems -- Symptoms

The symptoms of hyperthyroidism , in which the body produces too many thyroid hormones, may include: Weight loss, despite increased appetite Increased heart rate, heart palpitations, higher blood pressure, nervousness, and excessive perspiration More frequent bowel movements, sometimes with diarrhea Muscle weakness, trembling hands Development of a goiter (an enlargement in your neck) Lighter or shorter menstrual periods The symptom...

Read the Understanding Thyroid Problems -- Symptoms article > >

Symptoms of thyroid storm include:

Feeling extremely irritable or grumpy.
High systolic blood pressure, low diastolic blood pressure, and fast heartbeat.
Nausea, vomiting, or diarrhea.
High fever.
Shock and delirium.
Feeling confused.
Feeling sleepy.
Yellow skin or eyes.
Symptoms of heart failure, such as breathing problems or feeling very tired.

Thyroid storm can lead to coma, heart failure, or death.

WebMD Medical Reference from Healthwise

Last Updated: November 04, 2011

This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.