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Overactive Thyroid (Hyperthyroidism)

Complications of Hyperthyroidism

It is important to maintain regular, lifelong visits with your doctor if you have hyperthyroidism. Untreated or improperly treated, an overactive thyroid can lead to severe, even life-threatening problems. 

Complications linked to hyperthyroidism include:

Thyrotoxic crisis is a sudden worsening of hyperthyroidism symptoms that can be deadly if not treated right away. Seek immediate medical help if you or someone you know has hyperthyroidism and develops the following symptoms:

  • Agitation or signs of delirium
  • Confusion
  • Decreased awareness
  • Fever
  • Restlessness
  • Very fast pulse

 

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WebMD Medical Reference

Reviewed by Varnada Karriem-Norwood, MD on June 05, 2013

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