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Thyrotoxic Myopathy Synonym(s): Reviewed 05-06-2003 Get Web page suited for printing Email this to a friend or colleague Studies with patients Table of Contents (click to jump to sections) What is Thyrotoxic Myopathy?Is there any treatment? What is the prognosis? What research is being done? Organizations Related NINDS Publications and Information What is Thyrotoxic Myopathy? Thyrotoxic myopathy is a neuromuscular disorder that may accompany hyperthyroidism (Grave’s disease, caused by overproduction of the thyroid hormone thyroxine). Symptoms may include muscle weakness, wasting of the pelvic girdle and shoulder muscles, fatigue, and heat intolerance. Muscle breakdown may occur in acute cases. Physical acts such as climbing stairs may be difficult. Patients may develop muscle damage to the eyes and eyelids, which may affect mobility of the eye muscles, and temporary, but severe, attacks of muscle weakness known as periodic paralysis. Is there any treatment? What is the prognosis? What research is being done? National Institute of Diabetes and Digestive
and Kidney Diseases (NIDDK)
Muscular Dystrophy Association Related NINDS Publications and Information
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