Main Navigation
What's Your Next Step?
Find a Doctor
Request a Doctor's Appointment
Subscribe to Our E-Newsletter
Learn More about Our Services
Thyroid storm
Definition
Thyroid storm is a life-threatening condition that develops in cases of untreated thyrotoxicosis (hyperthyroidism).
Alternative Names
Thyrotoxic storm; Hyperthyroid storm
Causes
Thyroid storm results from untreated hyperthyroidism. It is usually brought on by a stress such as trauma or infection.
Symptoms
Symptoms are severe and may include:
- Agitation
- Change in alertness (consciousness)
- Confusion
- Diarrhea
- Fever
- Pounding heart (tachycardia)
- Restlessness
- Shaking
- Sweating
Exams and Tests
- The top number in a blood pressure reading may be high
- Increased heart rate
Blood tests are done to evaluate thyroid function.
Possible Complications
Congestive heart failure and pulmonary edema can develop rapidly and lead to death.
When to Contact a Medical Professional
This is an emergency condition. Call 911 or another emergency number if you have hyperthyroidism and experience these symptoms.
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):459.
Ladenson P, Kim M. Thyroid. In: Goldman L and Ausiello D, eds. Goldman: Cecil Medicine. 23rd ed. Philadelphia, Pa:Saunders; 2007:chap 244.
Reviewed By: Elizabeth H. Holt, MD, PhD, Assistant Professor of Medicine, Section of Endocrinology and Metabolism, Yale University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
